LZW-72.5 Outdoor Current Transformer - Shenzhen Chuangyin Co., Ltd

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Locatin : Products > Instrument Transformers > MV & LV CT PT > Outdoor CT/PT

LZW-72.5 Outdoor Current Transformer

LZW-72.5 current transformer, epoxy resin casting insulation and outdoor installation, is widely used for measuring current, electric energy and protective relaying in the power system with the rated frequency 50Hz or 60 Hz and rated voltage 66kV or 69kV

DESCRIPTION

Main technical parameter

1. Rated voltage : 66kV or 69kV

2. Highest voltage for equipment : 72.5 kV

3. Rated insulation level : 72.5/140/325kV

4. Rated secondary current :5Aor1A

5. Standards: IEC60044-1.2003 Part 1: Instrument transformers-Part1: Current transformers or ANSI IEEE STD C57.13-2008

6. Other technical parameter pls see as follow:

Rated Transformation ratio(A)	Secondary accuracy classes combination	Rated output (VA)			Rated short-time thermal current (kA/1s)	Rated dynamic current ( kA)
		Measuring		Protective
		0.2S	0.5	10P15
25~200/5	0.2S/0.5/10P15 0.2/0.5/10P15 0.2S/10P15/10P15 0.2/10P15/10P15	50 30	50 30	50 30	150I1n	375I1n
300/5					42.5	100
400/5					50	100
500/5					63	125
600/5					80	125
750/5					80	125
800/5					100	160
1000~1500/5					100	160

Double ratios

Rated Transformation ratio(A)	Secondary accuracy classes combination	Rated output (VA)				Rated short-time thermal current (kA/1s)	Rated dynamic current Idyn( kA)
		Measuring			Protective
		0.2 Tap	0.2S Full	0.5	10P15
2X25/5	0.2S/0.5/10P15 0.2/0.5/10P15 0.2S/10P15/10P15 0.2/10P15/10P15	30	50 30	50 30	50 30	2X3	2X8
2X50/5						2X6	2X15
2X75/5						2X 9	2X22.5
2X100/5						2X 12	2X30
2X150/5						2X15	2X37.5
2X200/5						2X 22.5	2X56
2X300/5						2X 31.5	2X80
2X400/5						2X 42.5	2X100
2X600/5						2X 55	2X137.5
2X750/5						2X 70	2X175

Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.

Outline drawing

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