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Pre-insertion Starting Resistor for HVDC, SVG and STATCOM

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Pre-insertion Starting Resistor for HVDC, SVG and STATCOM

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Brand Name :	Xi'an Shendian
Model Number :	CRXX-XX/XX
Certification :	GB/T 36955/ Customer specification
Price :	To be determined.
Payment Terms :	T/T; L/C.
Delivery Time :	Ex-work 30 days~60 days depends on quantity.
Supply Ability :	1000 pc/year.

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Pre-insertion Starting Resistor for HVDC, SVG and STATCOM

Pre-insertion Resistor

Product introduction:

Pre-insertion resistor applies to prevent from damaging power grid and equipment which caused by multiple current impulse generated at the start-up of SVG, STATCOM and flexible DC transmission system. It is able to effectively reduce the starting current of the equipment (transformer and motor), to ensure safe operation. After start-up, it will be cut off by the bypass switch.

For the system with rear rectifier, the starting resistor limits the charging current of the power grid to the DC storage capacitor of the submodule, preventing the converter valve and related equipment from being subjected to energy impact from high-current stress and high-current variation and ensuring the safety of the equipment.

Pre-insertion resistor is made of metal or ceramic. Ceramic is featured by small size and strong resistance to large current impact .

Advantage:

1/ Easy installation, convenient maintenance;

2/ Low inductance;

3/ Anti-seismic;

4/ Miniaturization.

Reference:

1/ Shendian resistor is widely used in China EHV (Extra hight voltage) projects of State Grid, Southern Power Grid.

2/ Supplied resistor to ABB/Siemens/Schneider more than 20 years, as well as other capacitor/switchgear manufacturers.

3/ Shendian resistor has been exported to more than 30 counties all over the world.

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