11kv 15kv 20kv Indoor High-Voltage Voltage Transformer for Measurement and Protection

• Customization: Available
• Application: Electronic, Instrument, Position Sensor, Lighting
• Type: Voltage Transformer
• Model NO.: JDZX
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Epoxy Resin
• Installation: Strut Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Customization: Acceptable
• Currency: RMB or USD
• Language: Chinese, English, Russian
• Loading Port: It Depends
• Rated Voltage: 20kv
• Transport Package: Wooden Case or Others
• Specification: As required
• Trademark: HZEC
• Origin: China
• Production Capacity: 300000 Sets/Month

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

JDZX11-20 voltage transformer adopts epoxy resin vacuum casting fully enclosed structure, suitable for rated frequency of 50Hz, rated voltage of 10kV power system and switch cabinet, electric energy measuring cabinet, for voltage, electric energy measurement.

Executive Standards:
GB/T20840.3-2013;
GB/T20840.4-2015;
GB311.1-2012;
JJG314-2010.

Product Parameters

 

Type	Rated voltage ratio (kV)	Rated secondary output(VA)							Max.output(VA)	Rated insulation level(kV)
		0.2	0.5	1	0.2/0.2	0.2/0.5	0.5/0.5	6P(3P)
JDZX11-15	15/0.1/0.1	30	80	150	/	/	/	100	400	18/55/105
JDZX11-20	20/0.1/0.1									24/65/125
JDZX11-15	15/0.1/0.1/0.1	/	/	/	15/15	20/20	30/30		300/300	18/55/105
JDZX11-20	20/0.1/0.1/0.1									24/65/125

Insulation requirement:
1. The full wave withstand voltage (peak) of primary winding lightning impulse (internal and external insulation) is 75kV, and the lightning impulse cut-off withstand voltage (peak) is 85kV.
2. The withstand voltage of the end of the primary winding to the secondary winding and the ground frequency is 3kV, 1min.
3. The frequency doubling induction withstand voltage of the primary winding is 30kV, 40S.
4. When the partial discharge level is 33.6kV (square mean root value) and the measured voltage is 14.4kV, the apparent discharge quantity is not more than 20pC respectively.

Service Environment

1. Installation site: indoor.
2. Ambient temperature, maximum 40ºC, minimum -5ºC, average daily 30ºC.
3. Altitude: No more than 1000m above sea level.
4. Atmospheric conditions: there are no dirty, corrosive and explosive media in the atmosphere that seriously affect the insulation performance of the transformer, and there are no dirty, corrosive and explosive media in the atmosphere that seriously affect the insulation performance of the transformer.
5. System grounding mode Neutral point is not effectively grounded system.

Outline Diagram Examples

 

Wiring Diagram

 

Certifications