10kv Dry Type Current Transformer for Switchgear

• Application: Metering
• Type: Current Transformer
• Phase: Single
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Model NO.: LZZBJ11
• Insulating Medium: Epoxy Resin
• Installation: Extension Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Transport Package: Export Box
• Trademark: DGG
• Origin: China
• HS Code: 8504311000
• Production Capacity: 100000PCS/Year

Product Description

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 10kV, 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
5. Insulation level: 12/42/75kV
6. Power factor:cosφ= 0.8(lag)
7. Rated secondary current: 5A or 1A
8. Rated frequency: 50Hz or 60Hz
9. Weight: 11kg


Technical ratio

Rated primary current(A)	Accuracy class	Rated output(VA)	Rated short-time thermal current(kA/s)	Rated insulation level(kA)
5	0.2S	10	0.36	0.9
10			0.72	1.8
15			1.08	2.7
20			1.44	3.6
25			1.8	4.5
30			2.16	5.4
40			2.88	6.3
50			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	90