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  2. Control equipment Islanding detection device that enables electricity sales with a minimum system (Hikari Alphax Co., Ltd.)
Control equipment Islanding detection device that enables electricity sales with a minimum system-Islanding detection device
Control equipment Islanding detection device that enables electricity sales with a minimum system-Hikari Alphax Co., Ltd.

Control equipment Islanding detection device that enables electricity sales with a minimum system
Hikari Alphax Co., Ltd.

Hikari Alphax Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

8.7hours

Fast Response

About This Product

The islanding detection device is a grid-connection protection device that is applied to power generation equipment that is grid-connected to the commercial power supply system and has reverse power flow. The method developed by our company (QC mode frequency shift method) has little impact on the grid and can be easily integrated into generator control panels, etc., regardless of whether it is an existing or newly installed system. The islanding detection device allows you to: ・Reverse power flow to the power grid is possible. ・Selling surplus electricity. ・Stabilization of cogeneration recovered heat. ・Improvement of running costs of power generation equipment. ・In special high voltage systems, it is possible to omit earth fault overvoltage relays and ground voltage instrument transformers, reducing the cost of power receiving equipment.

■What is solo operation?

When a power system to which power generation equipment (single or multiple units) is connected is disconnected from the grid power supply due to an accident, etc., the power generation equipment group existing on this line continues to generate electricity, and locally generated electricity is generated. A state in which power is being supplied to the line load. If solo operation continues... ・Asynchronous closing during re-closing ・Possibility of electric shock to maintenance personnel An islanding detection device is required for interconnections with reverse power flow (in the case of high-pressure interconnections)

■Features

・The method developed by our company (QC mode frequency shift method) has little impact on the grid. - Detection sensitivity is ensured even when power generation equipment is installed at other consumers. ・Easy to add to existing power generation equipment. - Cheaper system compared to the conventional protection method, the transfer cutoff device. - Active and passive methods are housed in one unit. -Equipped with relay functions for overvoltage, undervoltage, frequency increase, and frequency decrease. ・This device + earth fault overvoltage/short circuit direction relay complies with grid connection regulations. The installation space is extremely small and can be installed inside the generator panel. (It is also possible to add a wall-mounted board)

  • Product

    Control equipment Islanding detection device that enables electricity sales with a minimum system

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1 Models of Control equipment Islanding detection device that enables electricity sales with a minimum system

Image Part Number Price (excluding tax)
Control equipment Islanding detection device that enables electricity sales with a minimum system-Part Number-Islanding detection device

Islanding detection device

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About Company Handling This Product

Hikari Alphax Co., Ltd.

Response Rate

100.0%

Response Time

8.7hrs

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