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  • UNZ35.jpg

UNZ35


Model Code
U
N Z 35
Encoding content
Voltage transformer
Pouring insulation
Insulation at both ends
Rated voltage of equipment
Indoor UNZ35 type epoxy resin cast insulation fully enclosed voltage transformer, suitable for power measurement, voltage detection and relay protection within 35kV and AC 50/60Hz, suitable for air insulated switchgear.

Technical parameters


Rated voltage (kV) Accurate Level Combination Rated output (VA) Thermal Limit Output (VA) Rated insulation level (kV) Rated frequency (Hz)
35/0.1 0.2 45 600 40.5/95/200 50~60
35/0.1 0.5 100 600 40.5/95/200

Note:

1. The product conforms to GB20840.1, GB20840.3 and IEC61869-1, IEC61869-3.

2. The above form is not the final technical commitment, please confirm with our technical personnel.

Product Information


Product Description

Indoor UNZ35 type epoxy resin cast insulation fully enclosed voltage transformer, suitable for power measurement, voltage detection and relay protection within 35kV and AC 50/60Hz, suitable for air insulated switchgear.

Conditions of use

Installation location: indoor.

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: Grade II.

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

Fully enclosed. Two-end insulation, epoxy casting insulation voltage transformer.

The primary terminal is identified as A- B, and the secondary terminal is identified as 1a-1b and 2a-2b. This model has 4 secondary terminals and supports 2 secondary windings.

Technical Data

The electric voltage of the equipment is 35kV, and the maximum operating voltage is 40.5kV.

1. secondary winding and grounding power frequency withstand voltage 95kV/60s.

Power frequency withstand voltage between secondary windings and grounding 3kV/1min.

Lightning impulse withstand voltage 185 kV.

Other technical requirements shall be in accordance with GB20840.1, GB20840.3, IEC61869-1 and IEC61869-3.

Application Case


Outdoor transformer application case

Outdoor transformer application case

Outdoor transformer application case

Outdoor transformer application case

Outdoor transformer application case

Outdoor transformer application case

Outdoor transformer application case

Outdoor transformer application case

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