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2 year ago

69 0 

2 year

Product details

Henan New Electric Power Co., Ltd deals in the R&D, manufacturing and sales of various medium, high and low voltage transformers and transformer accessories. The transformer accessories mainly include Buchholz relay, tap changer, oil level gauge, butterfly valve, moisture absorber, pressure reducing valve, cross flow cooling fan, bimetal thermometer, epoxy resin insulator, etc. New and old customers are welcome to purchase and customize.

Buchholz Relay

Gas relay is a main protection device for internal faults of oil immersed transformer and oil immersed on load tap changer. The gas relay (gas relay) is installed on the connecting pipeline between the transformer and the oil conservator. When the internal fault of the transformer causes oil decomposition to produce gas or oil flow impulse, the contact of the gas relay will act to connect the specified control circuit, and send a signal in time or automatically cut off the transformer.

Maintenance
1. The relay shall undergo appearance inspection and reliability inspection of signal circuit and trip circuit once a year.
2.The relay in operation shall be uncovered once every two years for internal structure and action reliability inspection.

3. The power frequency withstand voltage test shall be carried out for the operated relay every five years.

Model No.:QJ Series

Brand Name:TNNPI

Principle:Electromagnetic Relay

Use:Auto, Protective

Size:Miniature

Protection features:Sealed

Contact load:Low Power

Voltage:220v

Product use:Oil immersed transformer

Shell material:aluminium / iron

working temperature:-30℃-+95℃

Nominal diameter:25/40/50/80CM

Connection form:Flange

Product characteristics:Isolation seal

Number of power supply phases:Polyphase

Customized:Support

20211117173048

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Suppliers

Henan New Electric Power Co.,Ltd.

Audited supplier

2 year

Main Product: Oil Immersed Transformer, Dry Type Transformer, Isolation Transformer, Auto Transformer, Control Transformer, Distribution Transformer

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