Instrument transformers

NTMI-6(10) N2, N3

Three-phase voltage transformers
NTMI 6(10) kV
Instrument transformers
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Equipment request
Models for delivery:
NTMI-6
NTMI-10
Producer
"KTZ" JSC


1. General characteristics:

Voltage HV winding
6, 10 kV
Voltage of the main winding LV
0.1 kV
Additional voltage winding LV
0.1/3 kV
Limiting power
630, 1000 VA
Accuracy class rated
0.2


2. Assignment:

Three-phase voltage transformers oil NTMI type with additional windings for insulation control, designed for large-scale conversion of the electrical AC voltage to further measure and feed devices for protection and alarm circuits automation with isolated neutral. Used for lowering high voltage of 6 or 10 kV to 100, and records, including commercial and protective devices in electric power in the electrical AC. The transformer complies with the requirements of Technical condition 659 RK 0001 0033-22 and GOST 1983-2001.

Transformers are not designed to operate under conditions of shock, vibration, explosive, and reactive environment.


3. Conditions:

Height over sea level
up to 1000 m
Temperature for temperate climates
from −45°C to +40°C
Operating mode
long

 


1. Voltage of 6 and 10 kV:

ModelDB1Ha1a2dWeight
NTMI-6∅456495396344270∅1180 kg
NTMI-10∅456495486344270∅1185 kg

 

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Transformers NTMI 6(10) kV (120,8 KB)
technical details