LZW2-35

Category:

Outdoor voltage and current transformer

LZW2-35

Model meaning

Model Code	L	Z	W	2	35
Encoding content	Current transformer	Pouring insulation	Outdoor type	Design serial number	Rated voltage class

Outdoor LZW2-35 type epoxy resin cast insulation pillar type fully enclosed current transformer, suitable for outdoor 35kV and AC 50/60Hz within the power measurement, current detection and relay protection.

Technical parameters

Rated primary current (A)	Rated secondary current (A)	Accurate Level Combination	Capacity (VA)	Rated short-time thermal current (kA/s)	Rated dynamic stability current (kA)
50、75、100、125	1（5）	0.2S/0.5/5P10	15/15/15	6.3kA/1s	16
150、200、250、300、	1（5）	0.2S/0.5/5P15	15/15/15	12.5 Ka/1s	25
400、500、600、750	1（5）	0.2S/0.5/5P10	15/15/15	31.5 Ka/1s	80
800、1000、1200、1250	1（5）	0.2S/5P15/5P15	15/15/15	31.5 Ka/2S	80
1500、~3150	1（5）	0.2S/5P20/5P20	20/20/20	31.5kA/4s	80

Products meet the standard GB20840.1, GB20840.2, IEC61869-1, IEC61869-2

If users have special requirements, they can be determined after consultation with our company.

The above technical parameters are not the final technical commitment, please be confirmed by our technical personnel.

Product Information

Product Description

Conditions of use

Installation location: outdoor.

Ambient temperature:-25 ℃ ~ 40 ℃, daily average temperature is not more than 30 ℃.

Altitude: ≤ 1000m, higher altitude can be selected as required.

Humidity: The maximum relative humidity at room temperature is 95%.

Pollution severity: Class IV.

There shall be no violent vibration or collision at the installation site.

The installation site is free of gas, steam, chemical deposition, explosion and corrosive media that seriously affect the insulation of the transformer.

Structural Overview

Pillar type, totally enclosed. Epoxy resin cast insulated current transformer.

The primary terminal is identified as P1-P2, and the secondary terminal is identified as 1S1-1S2,2S1-2S2……. This model has 8 secondary terminals and supports up to 4 secondary windings.

Technical Data

The rated voltage of the equipment is 35KV, and the maximum operating voltage is 40.5kV. 1. power frequency withstand voltage of secondary winding and grounding is 95kV/60s, and power frequency withstand voltage of secondary winding and grounding is 3kV/1min.

Lightning impulse withstand voltage 185 KV.

Other requirements shall be in accordance with GB20840.1, GB20840.2, IEC61869-1 and IEC61869-2.

Application Case