Transformer Neutral Point Clearance Protection Gap for 110kv 220kv Power Transformer

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Model NO.: BJB
• Arc-extinguishing Medium: Oil-immersed Type
• Installation: Fixed
• Structure: ACB
• Poles Number: 3
• Type: Grounding Protection Device
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, CE, CCC
• Customization: Acceptable
• Currency: RMB or USD
• Language: Chinese, English, Russian
• Loading Port: It Depends
• Rated Voltage: 110kv 220kv
• Transport Package: Wooden Case or Others
• Specification: As required
• Trademark: HZEC
• Origin: China
• Production Capacity: 500000 Sets/Year

Product Description

Company Profile

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.

Product Description

 The transformer neutral gap protection device is specially designed for 110KV, 220KV and 330KV power transformer neutral points to achieve two different operation modes of transformer neutral ground operation or ungrounded operation.

 

Product Parameters

  

Model	Rated voltage of transformer(kV)	Neutral point withstand voltage		Disconnector		Oxide zinc arrester				Discharging gap	Current transformer
		Lightning full wave and chopped impulse withstand voltage (kv)	1min power frequency(kV)	Rated current (A)	Operational mechanism	Rated voltage (kV)	Continuous working voltage (kV)	DC 1mA reference voltage ≥	8/20µs lightning impulse residual current (kV)	Power frequency discharging voltage(kV)	Type test	Transformation ratio
BJB-110	110	250	95	400	CS8-5 (manual) or CJ6 (Electrical)	72	58	103	186	83	Epoxy resin poured completely enclosed pillar type 10kV (110/5, 200/5, 300/5, 400/5, 500/5, 600/5)
BJB-220	220	400	200	600		144	116	205	320	166

Properties

1. Meet the standards, professional manufacturing;
2. Novel design, overall installation;
3. Effective protection, stable characteristics;
4. Flexible assembly, easy to use;
5. strong technical force, good service.

Service Environment

1. Suitable for indoor and outdoor;
2. Ambient temperature: not lower than -40ºC, not higher than +55ºC; Relative humidity: not more than 95% (25ºC);
3. The altitude does not exceed 3000m, beyond 3000m can be customized according to the actual situation;
4. Areas with seismic intensity of 7 degrees and below; Wind speed does not exceed 35m/s;
5. Power grid frequency: 58 ~ 62Hz (60Hz system), 48 ~ 52Hz (50Hz system);
6. The air in the installation site should not contain chemical gases and vapors, and there is no dust.

Installation Instructions

1. The device can be lifted using the four mounting holes in the base. Do not bind the lifting rope to the porcelain column to prevent damage to the device.
2. The channel steel bracket for fixing the operating mechanism and the steel pipe from the operating mechanism to the rotating shaft of the conductive rod of the isolation switch are not within the scope of supply of this device. All are made by the installation unit on site, and the length and size are determined on site.
3. The device should be grounded reliably.
4. The shape and size of the product shall be subject to the actual supply.
5. Install the isolation switch according to the installation instructions of GW8 or GW13 series neutral point isolation switch.

Certifications