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Test resistance load device [Device for testing standalone operation prevention function]

Load capacity approximately 20kW! Supports three-phase unbalanced loads! Various settings can be changed according to test conditions, including three-phase and single-phase configurations.

The test resistance load device is intended for use in power conditioners for solar power generation systems, among others, to adjust the current balance during standalone operation prevention function tests or as a load for preventing reverse current. The maximum load capacity is 21.8 kW, which can accommodate up to five units in parallel operation for a typical household power conditioner (equivalent to 4 kW). 【Features】 ■ It is possible to switch between three-phase and single-phase according to the test voltage. ■ The load capacity increments are fine, with a minimum of 10 W (in single-phase), allowing for precise current balance adjustments. ■ In tests using three-phase power, the load for each phase can be set individually, enabling the creation of load imbalance conditions. ■ As a safety mechanism to prevent resistor burnout, two mechanisms are installed: the load will not engage unless the cooling fan is operational, and the power will be forcibly cut off if the resistor temperature exceeds a certain level. ■ Switches are available in two patterns: wired and wireless. ■ The wired switch comes with a 10 m cable, which can be extended up to 20 m with an extension cable. ■ The wireless switch is limited to the communication range of the wireless LAN, but distance extension is possible through the use of a relay.

• Company：電力テクノシステムズ
• Price：Other

• Power and Energy Equipment