電研精機研究所 List of Products and Services

The "Noise Cut Transformer" has improved noise attenuation performance, safety, and ease of use. It is a disturbance wave blocking transformer. Focusing on the fact that various noise disturbances are caused in different environments by high-frequency noise below 150 kHz, which is not covered by major EMC standards such as the IEC 61000-4 series, we have generally enhanced the noise attenuation performance, particularly in the range of several tens to several hundred kHz. Additionally, not only the conductive parts such as terminals and coils but also the core part is enclosed in a case to prevent contact, making it safer to use.

• Substation equipment

- It is UL certified (certified for UL1446, UL5085-1, and UL5085-2). - It has a very high versatility and can be used in a wide range of applications. - With its high noise suppression performance, it can withstand induced lightning surges up to 5000V. - It can reduce the need for other noise prevention components. - It has a structure that is not affected by radiated noise. - Both the primary and secondary sides are cable-connected.

• Substation equipment

Company A, a manufacturer of POS system development, has been focusing on the spread of tablet-type POS systems and has delivered them to many stores. However, recently, complaints have been received from newly supplied stores stating that "malfunctions occur, making it impossible to operate." Company A conducted daily investigations to resolve this issue, but identifying the cause proved difficult, leading to a prolonged period of uncertainty. We estimated that the conductive noise transmitted through the power line was entering the tablet via the charger, causing the troubles. We proposed the "Noise Cut Transformer," which can eliminate power noise. After installation, the troubles completely disappeared, and normal operations were restored. [Case Summary] ■ Problem: Unable to operate while charging ■ Product Introduced: Noise Cut Transformer ■ Effect: Troubles completely resolved *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

At the C Research Institute, research and development of new drugs is being conducted, and many facilities are operational; however, there were issues occurring. It was speculated that the cause might be the deterioration of the power supply environment due to voltage fluctuations, but this remained merely a hypothesis, and we were in trouble. Since there are various factors that can deteriorate the power supply environment, we first proposed the introduction of cost-effective high-frequency noise countermeasure products and provided a trial unit. When we installed a "Noise Cut Transformer" on the centrifuge to check if the situation would change, the issues that had occurred daily completely ceased from the very first day of installation. Subsequently, we introduced the solution to other devices that had experienced issues, and those devices also stopped having problems, achieving stable operation of the research equipment. [Case Summary] ■ Problem: Unable to identify the cause of the issues ■ Proposal: Cost-effective high-frequency noise countermeasure products ■ Introduced Product: Noise Cut Transformer ■ Result: Troubles resolved with high-frequency noise countermeasures ■ Conclusion: It is important to implement measures suitable for the factors causing disturbances that deteriorate the power supply environment. *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The event equipment rental company D experienced issues with the LED display's image becoming distorted and sought our assistance to find a fundamental solution to prevent this problem from occurring. Many of our products are designed for integration within devices or for fixed use in facilities, making them unsuitable for transport and use at various event venues. To prevent image distortion, we proposed the installation of a "Noise Cut Transformer" to the power supply, which completely blocks the intrusion of high-frequency noise, and developed a special portable version of the product exclusively for D. After implementation, they no longer faced similar issues. 【Case Summary】 ■ Problem: Image distortion on the LED display ■ Product Implemented: Special version of the Noise Cut Transformer for D ■ Effect: No longer troubled by issues *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

Company F, an electrical equipment company, was responsible for electrical work at a certain terminal station and was in charge of the installation of digital signage using LCD displays. The construction was progressing smoothly as scheduled, but the digital signage experienced unexplained malfunctions and system crashes. In response, our company investigated whether noise was observed during malfunctions or if there were any nearby devices generating noise. It was determined that the noise was coming from nearby lighting fixtures, so we proposed the introduction of a "Noise Cut Transformer" for the power supply of the lighting fixtures. After the introduction, the malfunctions of the digital signage completely ceased, and it was able to display beautiful images. [Case Summary] ■ Problem: Unexplained malfunctions and system crashes of digital signage ■ Product Introduced: Noise Cut Transformer ■ Effect: Malfunctions of the digital signage completely eliminated *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The equipment manager at major chemical manufacturer G was concerned about the risk of production equipment stopping due to noise interference. The types of noise expected to occur in the chemical plant include high-frequency noise that is constantly generated from inverters and voltage fluctuations that occur when large motors start. To prevent these noises from affecting the control system, we proposed the installation of a noise-blocking automatic voltage regulator, "Noise Cut AVR," on the power supply line for control instrumentation. As a result, we were able to minimize the risk of equipment stoppage, alleviating the manager's concerns. [Case Summary] ■ Problem: Risk of production equipment stopping due to noise interference ■ Product Introduced: Noise-blocking automatic voltage regulator "Noise Cut AVR" ■ Effect: Able to minimize the risk of equipment stoppage *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The miniaturization of electronic devices is leading to an increase in damage caused by lightning strikes. According to the National Association of Local Governments' "Trends and Countermeasures for Lightning Damage" (2011), both the number of incidents and the monetary amount of damage caused by lightning strikes are on the rise. In today's IT-driven society, various places from offices to factories are exposed to the risk of lightning strikes. It is anticipated that even a single incident of lightning damage could result in enormous losses. As a result, lightning surge protection technology is gaining attention to prevent such damage. On this blog page, we will introduce the noise-cut transformer 'NCT-P type,' which is a lightning surge protection technology. [Content Overview] ■1 The emergence of the latest lightning surge protection technology ■2 What is the NCT-P type? ■3 Perfect isolation technology that prevents lightning surges from flowing into equipment ■4 Unique structure that achieves low cost, miniaturization, and short delivery times ■5 Diverse custom options ■6 The NCT-P type has many attractive features *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.

• Safety and consumables

Company D, headquartered in Tokyo, had been addressing high-frequency noise generated within their factory by installing noise filters on the power lines of their equipment and attaching ferrite cores to the power cables. However, the issues were resolved in only one or two locations, while many areas remained problematic. In an environment where various frequencies of noise coexist, it is believed that solutions targeting only specific frequencies may not yield sufficient results. Therefore, we proposed the introduction of a "Noise Cut Transformer," which can reliably eliminate a wide range of frequencies. As a result, the issues were successfully resolved, and the automatic welding machine began to operate without any problems. [Case Summary] ■ Problem: Troubles persist despite using countermeasure products for noise control. ■ Introduced Product: Noise Cut Transformer ■ Effect: Issues were successfully resolved, and the automatic welding machine operates without problems. *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

At Company F, a manufacturer of equipment for power plants, a problem has arisen where the devices used for testing are experiencing malfunctions during the tests. They attempted to identify the cause but were unable to resolve it on their own. When we measured the voltage waveform of the power line for the devices used in the tests, we confirmed multiple types of noise, as expected. Therefore, we introduced the "Noise Cut AVR," which comprehensively addresses multiple power supply issues such as high-frequency noise, voltage fluctuations, and lightning surges, into the power line of the testing equipment. As a result, we were able to reliably prevent various trouble factors occurring within the factory from affecting the testing equipment, allowing for stable testing. [Case Summary] ■ Problem: The devices used for testing experience malfunctions during tests. ■ Product Introduced: Noise Blocking Automatic Voltage Regulator "Noise Cut AVR" ■ Effect: Reliably prevents various trouble factors from affecting the testing equipment. *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The thermal spray machine used by Company A, a metal processing company, had repeatedly experienced failures due to issues with its internal control board. We requested the manufacturer to investigate the cause of the failures and implement measures to prevent recurrence, but similar failures had not occurred overseas, and the exact cause remained unclear. Our company investigated whether there were any sources of high-frequency noise within Company A's factory. Based on the investigation results, we speculated that high-frequency noise generated by machinery on a different floor might have caused the failures of the thermal spray machine. As a solution, we installed a noise-cut transformer on the power line of the thermal spray machine. Since the installation, the thermal spray machine has not experienced any further failures, and the issues have been completely resolved. 【Case Summary】 ■ Problem: Failures due to control board issues in the thermal spray machine ■ Product Introduced: Noise-cut transformer ■ Effect: No further failures of the thermal spray machine occurred after installation *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The video production for a concert with an audience of 10,000 will be handled by Company M. During the preliminary rehearsal, the LED screens displayed images without any issues, but during the actual concert, part of the large LED screen suddenly blacked out. Our company conducted an immunity test using a noise simulator. Based on the test results, we determined that the cause of the trouble was likely high-frequency noise. Based on the test results, we recommended that Company M install a "Noise Cut Transformer" on the power line of the video controller. Since then, Company M has ensured that this product is installed during concerts, and the phenomenon of the LED screen blacking out has not occurred again. 【Case Summary】 ■ Problem: Part of the LED screen blacked out ■ Product Introduced: Noise Cut Transformer ■ Effect: The phenomenon of the LED screen blacking out has not occurred again *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

When the old-style pump and the inverter pump are operated simultaneously, the flow rate displayed on the central monitoring room's screen for the old-style pump fluctuates and shows abnormal values. The water purification plant management company, Company D, was troubled, suspecting that there might be some issue with the inverter pump. The cause was that high-frequency noise generated by the inverter pump was affecting the flow meter's data. Our company installed a noise-cutting transformer on the power supply line of the inverter pump and applied electromagnetic shielding to each cable to prevent high-frequency noise from propagating into the space. [Case Summary] ■ Problem: The flow rate of the old-style pump fluctuates and shows abnormal values. ■ Product Introduced: Noise-cutting transformer "Noise Cut Transformer" ■ Effect: Prevents high-frequency noise from leaking into the power supply line. *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

"On-site technical assistance" is a service that involves visiting the site where troubles are occurring, confirming the current situation, and supporting the implementation of countermeasures. We have accumulated numerous case studies of solutions so far, and most noise issues can be resolved if there are no physical or budgetary constraints. Rather than unilaterally carrying out all the countermeasures ourselves, we promote noise countermeasures in collaboration with the personnel who actually handle the equipment and devices causing the issues. 【Service Details】 ■ Confirming the direction of countermeasures through noise measurement ■ Implementing noise countermeasures together with the customer *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

In the Noise Trouble Consultation Room, we hold approximately 30 custom-made seminars annually, not only at technical centers in various municipalities but also by visiting individual companies. We offer a range of topics from basic electricity to advanced levels, as well as noise countermeasures from foundational concepts to practical applications, with durations varying from short sessions to full-day events. If you are interested, please feel free to contact us. 【Past Achievements】 ■Public Institutions: 5 events/year ■Private Companies: 30 events/year *For more details, please refer to the PDF materials or feel free to reach out to us.

• Lightning protection

The "Noise Investigation" is a paid service that involves visiting the site where troubles are occurring to conduct an actual investigation of the noise and identify the cause of the issues. Using measurement equipment, we measure the noise and clarify its types and sources. Additionally, we conduct effectiveness measurements of countermeasure components and noise margin measurements of devices through immunity evaluation tests using an impulse noise simulator. After the investigation is completed, we will propose countermeasure methods in a report. 【Service Contents】 ■ Noise Measurement ■ Identification of Trouble Causes ■ Noise Margin Measurement of Devices ■ Proposal of Countermeasure Methods *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The "Noise Consultation" service is available free of charge for those experiencing troubles with electrical and electronic devices that are suspected to be caused by noise. When malfunctions such as erroneous operation of electrical and electronic devices occur, it can often be difficult to determine whether the cause is truly due to noise. Even if you think "it might be noise," please feel free to consult with the Noise Trouble Consultation Room. Additionally, if you want to prevent noise troubles before they occur, we also provide advice on countermeasures. 【Service Details】 ■ Free noise consultation via phone or email ■ Advice to prevent noise troubles ■ On-site noise consultation (for a fee) *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The Noise Trouble Consultation Room is a consulting department where specialized engineers support the resolution of noise troubles faced by customers. We have a track record of solving even the most challenging issues, which are often described as "miraculous" if resolved. As a sort of "last resort" for general noise troubles, we provide consultations via email and phone, conduct on-site investigations, and offer advice on countermeasures to help resolve the problems our customers face. If you are troubled by noise, please feel free to contact us. 【Service Contents】 ■ Noise Consultation ■ Noise Investigation ■ On-site Technical Assistance *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The disturbances caused by high-frequency noise propagating through power lines can sometimes lead to serious consequences. For example, in production equipment that generates high-value-added products like semiconductors, a single abnormal stoppage can result in losses of tens of millions of yen. Additionally, malfunctions in equipment handling large forces and energies, such as in railways, aviation, automobiles, and robotics, can lead not only to financial losses but also to personal accidents. Noise countermeasures for power lines are essential to prevent such situations from occurring. In this blog, we will introduce the noise-cutting transformer "Noise Cut Transformer," developed to prevent such noise disturbances, along with its usage and points to consider. Please take a look. *You can view the detailed content of the blog through the related links. For more information, feel free to contact us.*

• others

This booklet includes information on measures against leakage current and the effects on high-frequency leakage current. The "Noise Cut Transformer" can significantly suppress leakage current from DC to GHz range due to its common mode wideband high attenuation characteristics. As a result, it can prevent not only the fundamental wave components (50Hz/60Hz) but also harmonics and high-frequency leakage currents. [Contents] ■ Measures against leakage current using Noise Cut Transformer ■ Noise Cut Transformer supports four loops with one unit ■ Effects of Noise Cut Transformer on high-frequency leakage current *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

This booklet includes classifications of faults caused by leakage current and information on leakage current issues. The "Noise Cut Transformer," which is extremely effective for noise countermeasures and lightning induction measures, has also proven to be highly effective in addressing the recent increase in malfunctions of leakage breakers and leakage current issues in "inverter devices" and "servo devices." [Contents (excerpt)] ■ Classification of faults caused by leakage current - Electric shock - Leakage fire - Malfunction of leakage breaker ■ Leakage current issues - When the insulation resistance (r) of the equipment decreases - Effects of the capacitor (c) between ground *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

This booklet introduces impulse voltages as defined by the overvoltage category/JIS. The standard impulse withstand voltage for the "Noise Cut Transformer" is 5kV (5000V). Up to an impulse voltage of 5kV (standard impulse voltage of 1.2/50μs as defined by JEC-0202), it can protect equipment from induced lightning without insulation breakdown. If you have concerns about impulse coordination or when using it in outdoor panels, please consider the NCT-K type or I4 type with an impulse withstand voltage of 10kV, or the NCT-K type and P type with an impulse withstand voltage of 30kV. [Contents] ■ Impulse voltages as defined by the overvoltage category/JIS *For more details, please refer to the PDF materials or feel free to contact us.

• Other Management Services

This booklet introduces the wideband attenuation characteristics of the "Noise Cut Transformer," which can attenuate not only noise but also "lightning surges." The attenuation range for line noise that can be prevented covers normal mode (between lines) from 10kHz to 1GHz, and common mode from DC to 1GHz. In comparison, the attenuation range of typical LC filters for power supplies is from 100kHz to 30MHz, making the bandwidth of attenuation extremely wide among noise prevention devices. [Contents] ■ Normal Mode Attenuation Characteristics ■ Common Mode Attenuation Characteristics *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

In recent years, production equipment has been automated with various devices, and unmanned lines operating 24 hours a day have been established. One of the essential devices for these constructions and developments is the "general-purpose inverter." This document introduces case studies of noise troubles on production lines where noise generated by the operation of general-purpose inverters propagated through the power line and radiated into space, causing sensors in the control circuits to malfunction. [Contents] ■ Overview of the case ■ Conducting noise investigation ■ Implementing noise countermeasures ■ Results of noise countermeasures ■ A word from the noise trouble consultation room *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

Since the establishment of the Noise Trouble Consultation Room, Dengen Seiki Research Institute has been receiving various questions regarding noise on a daily basis. The noise troubles faced by our customers are diverse, and it is necessary to take appropriate measures that fit the specific situation, making it impossible to discuss methods in a general way. In this document, we introduce some creative perspectives and basic knowledge necessary for troubleshooting noise issues on-site. We hope you find it useful in addressing noise problems. [Contents] ■ Volume 1: Let's Identify the Affected Areas! - Introduction - Have you considered re-evaluating your current methods? - What are the reasons for "not understanding"? - Why not think from a broader perspective? *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

The Electric Research Institute has accumulated numerous case studies of noise trouble resolution over more than half a century since its establishment. In this document, we will introduce the basics of noise countermeasures for inverters based on the knowledge we have gained so far. With the theme of "Inverter Noise Issues," we will explain the generation principles and specific countermeasures in an easy-to-understand manner. We hope this will be helpful in addressing noise problems. 【Contents (excerpt)】 ■ Is that really harmonics? ■ I want to quickly try countermeasure products without all the roundabout explanations... ■ It's amazing how easily I can understand this, like magic! ■ Let's consider the balance between effectiveness and cost! *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

In recent years, manufacturing equipment, control devices, and inspection devices have been miniaturized, enhanced in performance, and made more labor-saving, with control signals becoming faster and operating voltages lower. As a result, they tend to be more susceptible to noise, but due to the increasing complexity of control processes, it has become difficult to identify the causes of noise troubles, making it challenging to implement noise countermeasures. This document introduces the types and characteristics of noise in AC power systems, as well as countermeasure methods, using expressions that are as easy to understand as possible from the perspective of troubleshooting in the field. [Contents (excerpt)] - Types of power supply noise - Transient noise and continuous noise - Noise propagation paths and loops *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

At the C Research Institute, research and development of new drugs is being conducted, and many facilities are in operation. In these facilities, issues such as "we want to operate the centrifuge continuously for 8 hours, but the equipment stops at night" have occurred. We requested each equipment manufacturer to investigate the cause of the malfunctions and prevent their recurrence. However, since the manufacturers could not identify the cause of the malfunctions, they ended up providing temporary fixes. Additionally, repairs for equipment under warranty are all free of charge, but once the warranty period expires, repairs become chargeable, and those costs cannot be ignored. The facility manager began an investigation to improve this situation. *For more details, please refer to the PDF document or feel free to contact us.*

• Other Management Services

At Company B's factory, which manufactures plastic products, there is an automatic weighing machine for resin raw material pellets that are transported by a conveyor belt. This system inputs the analog signal output from a device that detects the gate's opening degree via a potentiometer into a PLC for control, and sends signals to a servo driver for control. While operating this system, a problem occurred where the gate opened and closed in small increments, making accurate weighing impossible. If this continues, it will significantly impact product production... This case was related to "high-frequency noise propagating through the air." *For more details, please refer to the PDF materials or feel free to contact us.*

• Other Management Services

Since you have already confirmed that there are no abnormalities in the insulation of the equipment, we considered another possibility. Generally, high-frequency noise is generated from the compressor. Typically, some noise reduction product is installed on the compressor to prevent the high-frequency noise generated from affecting surrounding equipment. In principle, that noise reduction product should be able to sufficiently prevent the outflow of high-frequency noise. However, when several adverse conditions overlap, that noise reduction product can sometimes become a cause of dispersing high-frequency noise. Upon checking with the customer, it was confirmed that a noise reduction product is also installed on the compressor of the equipment, so we focused our investigation on the surrounding area. *For more details, please refer to the PDF document or feel free to contact us.*

• Other Management Services

Company C, a parts processing manufacturer, automated the plasma arc welding process to reduce labor. The system configuration involves moving the workpiece using a servo motor and performing the welding operation once it reaches the designated position. In the automation process, position detection sensors and proximity sensors were installed, and safety measures were implemented simultaneously. Since there are multiple parts to be welded, the control system was pre-programmed, allowing for changes in control patterns for each target during operation. However, the system occasionally froze, and due to a malfunction that caused the pre-set programs to be rewritten, abnormal system shutdowns occurred. *For more details, please refer to the PDF document or feel free to contact us.*

• Other Management Services

Company E has introduced a regional heating and cooling system in conjunction with the establishment of a new factory. This regional heating and cooling system utilizes cogeneration systems, large-scale thermal storage systems, and more. A network of heat, electricity, and information has been established, and the energy operation of air conditioning equipment and other systems is controlled in real-time by a central monitoring device. However, this central monitoring device has experienced intermittent issues, resulting in false alarms for flow errors, temperature errors, and operational errors... *For more details, please refer to the PDF document or feel free to contact us.

• Other Management Services

Company A, which develops and manufactures painting robots, has received a commitment from a customer to initially adopt one set of the new robot on a trial basis. If all goes well, there is a possibility of introducing five sets in the future, making this a significant project. The equipment was delivered, and the adjustment work was progressing smoothly. It seemed that we would soon be able to hand it over to the customer. However, suddenly the customer reported, "The existing painting robot's ground fault circuit interrupter is tripping irregularly. It seems that a ground fault occurs at the timing when the new robot starts or stops. We cannot proceed with the acceptance inspection under these circumstances!" *For more details, please refer to the PDF document or feel free to contact us.*

• Other Management Services

In Company F's logistics warehouse, picking, packaging, packing, sorting, labeling, and other processes are carried out collectively, with each unit arranged along a conveyor. Various sensors such as proximity sensors, displacement sensors, image sensors, inkjet printers, and barcode readers are extensively used, creating an automated transport line designed with labor-saving in mind. There have been frequent issues with these sensor modules failing over a wide range. Even after replacing the components of the modules, cases of repeated failures continued to occur... *For more details, please refer to the PDF document or feel free to contact us.*

• Other Management Services

【Noise Trouble Cases】 ■ The flow meter value fluctuates when the inverter pump is operating. ■ When the painting robot operates, the leakage breaker malfunctions. ■ In the logistics warehouse, the sensor module frequently fails. ■ The system experiences abnormal stops during plasma arc welding. ■ In the servo-based weighing system, the analog signal from the weighing controller fluctuates. ■ Frequent errors occur in the district heating and cooling system. ■ When the overseas compressor operates, a leakage current alarm is triggered. We also introduce many cases on our company website "Noise Maybe Blog," so please take a look. (You can view it from the link below.)

• Substation equipment

General-purpose inverters have made remarkable progress as variable speed devices that enable energy savings for industrial motors. However, as the number of installations increases, the noise generated by the operation of inverters adversely affects surrounding electronic devices, leading to various problems. With the theme of "Inverter Noise Issues," we will explain the generation principles and specific countermeasures in an easy-to-understand manner. Additionally, we will introduce several case studies of troubles caused by noise. Please make use of this information for preventive measures against noise issues. 【Introduction to Countermeasures】 ○ Solve it! Introduction to Inverter Noise Countermeasures ○ Basic knowledge of noise and countermeasure techniques ○ Understand it! Re-introduction to Noise Countermeasures ○ Noise trouble case studies (6 cases) ● Please download the catalog to view the materials.

• others

Inverters, which started with skyscrapers and high-tech factories, are now also used in ordinary households. In familiar settings, they control motors used in air conditioners and elevators, contributing to comfortable operation. However, sometimes unnecessary electricity (noise) is generated, which can negatively affect surrounding devices. We often hear comments like, "Noise countermeasures are important, but I don't really understand them." In this book, we clearly explain an example of noise generation through a 7-panel comic, so please take a look. On the back, we provide more detailed content and introduce corresponding products as well. For more information, please download the catalog or contact us.

• Audio and video equipment
• Lightning protection

We would like to introduce a case of equipment malfunction that occurred at Research Institute C of a certain pharmaceutical manufacturer. "We want to operate the centrifuge continuously for 8 hours, but the machine stops at night." "Even though it's a newly installed analytical device, for some reason, there is damage to the internal circuit board." We requested each equipment manufacturer to investigate the causes of these malfunctions and prevent recurrence, but since the cause could not be identified, we were asked to provide the best solution. We considered the possibility that high-frequency noise was the cause of the malfunctions and proposed the introduction of high-frequency noise countermeasure products that could be implemented at a lower cost than a stabilized power supply. We provided a trial unit of the product. [Overview] ■ Client: Research Institute C of a certain pharmaceutical manufacturer ■ Request details - Please investigate why the equipment is malfunctioning. - Is the introduction of a stabilized power supply the best choice? Please provide your opinion. ■ Results - Proposed the introduction of high-frequency noise countermeasure products that could be implemented at a lower cost than a stabilized power supply and provided a trial unit. - The high-frequency noise countermeasures resolved the issues, achieving stable operation of the research equipment.

• Substation equipment

The Noise Isolation Series protects valuable information assets from various power supply troubles with reliable protection. The series includes the "Noise Cut Transformer," which reliably protects information processing devices, equipment, and systems from high-frequency noise interference even in the worst electromagnetic environments, and the "Noise Cut AVR," which combines noise cut transformers with a magnetic amplifier feedback automatic voltage regulation circuit to integrate noise isolation, waveform correction, and automatic low voltage functions into a single unit. Additionally, it features the "Noise Cut CVCF," an optimal power supply for EMI measurement, combining a high-efficiency, low-cost inverter-type frequency converter with a noise cut transformer. 【Product Lineup】 ○ Noise Cut Transformer ○ Noise Cut AVR ○ Noise Cut CVCF ○ Noise Cut UPS, etc. For more details, please contact us or download the related materials.

• Substation equipment

The noise cut transformer is a barrier wave blocking transformer that serves as an isolation-type noise prevention device. It reliably protects information processing devices, equipment, and systems from high-frequency noise interference even in the worst electromagnetic environments. The "Noise Cut Transformer Barrier Wave Blocking Transformer Comprehensive Catalog" features a variety of models, including the standard model "NCT-F1," which is easy to use with both 100V and 200V input/output, the "NCT-F3 and F4" models that consider aesthetic design, and the mid-capacity models "NCT-F5, F6, and F6-CE" that pursue cost performance. 【Featured Products】 ○ NCT-F1 ○ NCT-F3 and F4 ○ NCT-F5, F6, and F6-CE ○ NCT-J ○ NCT-I1 and I2, among others For more details, please contact us.

• Substation equipment

It has a coaxial and different core structure, is suitable for mass production, and is a relatively inexpensive basic model, but it has a significantly high noise attenuation rate among noise prevention products. Additionally, it is designed in a shape that faithfully adheres to the principles of noise prevention, equipped with triple shielding, housed in a sturdy and low-impedance outer casing, and possesses the quality to shield all conductive parts, including terminals and lead wires. Compared to the NCT-G type, it is slightly superior in efficiency and voltage fluctuation rate.

• Substation equipment

For example, when used externally alongside your equipment, such as being combined with medical devices and placed in a consultation room, care has been taken with the appearance to ensure that it does not compromise the high-quality image of the entire room. Additionally, to facilitate easy installation and wiring, we have prepared two shapes to choose from—vertical (F3 type) and horizontal (F4 type)—to suit your installation space and aesthetic preferences.

• Substation equipment

The NCT-F5 and F6 models are low-cost types that pursue cost performance. They are suitable for situations where appearance is not a concern, such as when integrated into the cabinet of the equipment being installed. By keeping the price down, we have successfully added new know-how to ensure that performance does not decline, resulting in good characteristics.

• Substation equipment

This is a product designed with safety and ease of use in mind. Not only are the conductive parts such as terminals and coils shielded, but the core part is also enclosed in a case to prevent contact, ensuring greater safety than before.

• Substation equipment

The coil's positioning is structured in an eccentric axis and eccentric core format, making it particularly effective in high-frequency areas and suitable for achieving high prevention effects. Compared to the NCT-F series, a higher attenuation rate can be achieved. It is designed faithfully to the principles of noise prevention, featuring a triple shielding body and a robust, low-impedance outer casing, constructed with shapes and materials that shield all conductive parts, including terminals and lead wires.

• Substation equipment