Hitachi Industrial Equipment Systems - Secondary Resistor and Limit Switch
Hitachi Industrial Equipment Systems
Crane secondary resistor using a unique steel plate grid resistor, compatible with various speed control.
The resistor is connected to the secondary side of the motor (rotor side), and the magnitude of the resistance is adjusted by the controller to perform speed control. The standard type is open-type and uses a unique steel grid resistor. The external connection terminals are arranged on one side for ease of maintenance and inspection. The general control type is designed for the starting torque of the applicable crane motor at approximately 100%, with a usage rate of 33% (in the case of a motor usage rate of 40% ED). The CF control type, IB control type, DY control type (dynamic brake control), and VC control type are designed to suitable values for their respective speed controls. In addition, we can manufacture special motors and special applications upon request.
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basic information
- Uses a unique steel plate grid resistor, standard is open type. - Designed for general control with a starting torque of approximately 100% and a usage rate of 33% (for motor usage rate of 40% ED). - Designed for CF/IB/DY/VC control with values suitable for each speed control. - External connection terminals are arranged on one side for easy maintenance and inspection.
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Applications/Examples of results
It can be utilized as a resistor connected to the secondary side of crane motors in factories and warehouses for speed control. It is suitable for cargo handling equipment that requires various speed controls according to the application and can accommodate special specifications.
Company information
Kyushu Kiden Co., Ltd. not only sells electrical and mechanical products such as air conditioning equipment, industrial machinery, air compressors, elevators, escalators, and lighting fixtures as a Hitachi sales agent, but also provides solutions that contribute to energy conservation and decarbonization (SDGs), including the currently popular solar power generation (PPA), biomass power generation, and waste heat recovery units. The company is also certified as a planner for ZEB (Net Zero Energy Building), which has recently gained attention in corporate energy-saving measures, and has received great acclaim for its comprehensive energy-saving proposals for entire buildings. 【Service Areas】 - Fukuoka, Saga, Kumamoto, Oita, Yamaguchi, Hiroshima, Osaka 【Major Qualifications】 - First-Class Plumbing Construction Management Engineer - First-Class Electrical Work Construction Management Engineer - Designated Construction Industry Supervisory Engineer (Plumbing) - Designated Construction Industry Supervisory Engineer (Electrical Work) - First-Class Electrician - Chief Technician for Water Supply Equipment Construction - First-Class Refrigeration and Air Conditioning Equipment Construction Skill Technician - Building Equipment Engineer - First-Class Civil Engineering Construction Management Engineer - Third-Class Refrigeration Machinery Manufacturing Safety Manager - Refrigeration and Air Conditioning Construction Safety Management Certificate - Refrigerant Handling Technician Certificate - First-Class Hitachi Refrigeration and Air Conditioning Technician (Air Conditioning and Low Temperature) - And many others.
