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box-type transformer

The primary voltage is typically 35kV, and the secondary voltage is typically 440/690Vac, requiring the installation of an SPD.

Wind power converter

400/690Vac power input line. Power supply SPDs are installed on the grid side and the equipment side. Signal SPDs are usually not used by manufacturers, but are replaced by components.

Main control system

Typically, a 230/400Vac three-phase power input line is used, with a few manufacturers using 400/690Vac power input lines. SPDs typically protect power input lines, digital signals, analog signals, temperature monitoring signals, and bus signals.

Pitch system

Typically, it's a 230/400Vac three-phase power input line. SPDs typically protect power input lines, digital signals, analog signals, temperature monitoring signals, and bus signals.

dynamo

The stator is connected to the grid side of the converter, and the rotor is connected to the machine side of the converter. It is protected by a two-stage SPD.

De-icing system

Installed at the blade root, close to the downlead, surge protection is particularly important. Both power supply and signal SPDs use this technology, and most SPDs must have a 10/350µs parameter.

Medium and low voltage switchgear

It undertakes the power distribution and power transmission function of the data center. Lightning surge may invade along the power line, so SPDs need to be installed to suppress transient overvoltage and protect the internal power distribution components.

low-voltage switchgear

It is responsible for the low-voltage power distribution of the data center. Lightning and switching surges easily damage the low-voltage electrical components. SPDs are configured to protect power circuits and avoid equipment failure caused by surge impact.

diesel generator set backup power

As the emergency backup power supply of the data center, its power inlet is vulnerable to lightning surge interference. SPDs are installed on the power input side to protect the generator control circuit and power output loop.

UPS HVDC rack-mounted unit lighting cooling unit precision air conditioning monitoring and management platform

Covers UPS, HVDC, rack equipment, lighting, cooling, precision air conditioning and monitoring management system. SPDs are used to protect power supply lines, control signals and communication bus signals to ensure stable operation of core monitoring and environmental control equipment.