35kv Current Transformer with Epoxy Resin Casting

• Application: Metering
• Type: Current Transformer
• Phase: Three
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Model NO.: LZZBJ4-35
• Insulating Medium: Epoxy Resin
• Installation: Extension Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Insulation Level: 40.5/95/200kv
• Power Factor: Cosφ=0.8
• Rated Frequency: 50Hz or 60Hz
• Weight: 78kg
• Transport Package: Export Box
• Trademark: DGG
• Origin: China
• HS Code: 8504311000
• Production Capacity: 100000PCS/Year

Product Description

Photos of product


General

This type of voltage transformer adopts epoxy-resin vacuum casting and a fully closed single-phase structure for indoor use, is applicable for power systems of rated frequency 50Hz or 60Hz and rated voltage up to and including 35kV, used for electric energy metering and voltage measurement.
It complies with the standards GB 20840.1-2010 Instrument transformers-Part1:General requirements, GB 20840.3-2013 Instrument transformers-Part3:Additional requirements for inductive voltage transformers, and JJG314-2010 Instrument Voltage Transformers.

Use environment 

1. Altitude: should not exceed 1000m
2. Ambient temperature:-5ºC~+40ºC
3. Air relative humidity:≤ 85%
4. Air relative site: indoor.

Technical parameter

Single variable ratio parameter

Rated primary current (A)	Accuracy class	Rated output (VA)	Rated short-time thermal current (kA/S)	Rated Insulation level  (kA)
50	0.2S/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	3.6	7.2
60			4.32	8.1
75			5.4	13.5
80			5.76	14.4
100			7.2	18
120			8.64	21.6
150			10.8	27
200			14.4	36
250			18	45
300			21.6	54
400			28.8	63
500			36	72
600			43.2	81
800	0.2S/0.5/10P30/10P30	15/15/20/20	57.6	120
1000-1600			72	144

Double variable parameter

Rated primary current (A)	Accuracy class	Rated output (VA)	Rated short-time thermal current (kA/S)	Rated Insulation level  (kA)
50-100	0.2S/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	7.2	18
60-120			8.64	21.6
75-150			10.8	27
80-160			11.52	28.8
100-200			14.4	36
150-300			21.6	54
200-400			28.8	72
250-500			36	90
300-600			43.2	108
400-800			57.6	120
500-1000/5			72	144
600-1200/5			72	144
800-1600/5			72	144

Outline and Dimensions

Eng. ADOFO MICHAEL ADJEI / BSc, MSc
Project Manager, Foreign Trade and Technology
Denggao Electric Co. Ltd
Head Office: No 208 Weiwu Lu, Economic Development Zone. Yueqing - China