NIK LLC, 34, Lesi Ukrainki Blvd, of. 202, Kiev, 01601, Ukraine, tel.: +380 (44) 248-74-71, fax: +380 (44) 248-74-82nik@nik.net.ua www.nik-energy.com

CURRENT TRANSFORMERS

BUSHING-TYPE COMPOUND-FILLED TRANSFORMER

TPLN-10

The TPLN-10 Current Transformer is designed to transmit measuring data signals to metering devices of AC installations.

Overall and Mounting, mm

Features

• Amorphous alloys are used to manufacture thetransformer;

• Calibration interval - 4 years;• IEC 60044-1;• Accuracy class 0.5S;• Laser marking;• Secondary winding under a transparent sealable

cover.• Operating temperature range: from -45 °С to +70 °С;• Climate versions and usage categories under GOST

15150: U2; U3.

transformerswith rated current > 150А

NIK LLC, 34, Lesi Ukrainki Blvd, of. 202, Kiev, 01601, Ukraine, tel.: +380 (44) 248-74-71, fax: +380 (44) 248-74-82nik@nik.net.ua www.nik-energy.com

Technical Specifications

No. Parameter Value

1 Rated voltage 10 kV

2 Maximum operating voltage 12 kV

3 Rated isolation level 28/75 kV

4 Rated primary current10, 15, 20, 30, 50, 75,

100, 150, 200, 300, 400, 500, 600, 800, 1000 А

5 Rated secondary current 5 А

6 Rated line frequency 50 Hz

7 Number of secondary windings 2

8Rated power of secondary winding (cos φ = 0.8, VA)- measuring winding- protecting winding

1015

9 Accuracy class of measuring secondary winding 0.5S

10 Accuracy class of protecting secondary winding 10Р

11Rated Instrument Security Factor (FS), no more than:- for transformers with Ipn<800 А- for transformers with Ipn≥800 А

35

12 Accuracy limit factor of the protecting winding 10

Short time thermal and dynamic current values

Rated primary current Ipn, А 10 15 20 30 50 75 100 150 200 300 400 500 600 800 1000

Short time thermal currentIth, max., kА

1.1 2.2 3.3 3.3 5.4 8.8 11 17 22 32 44 55 66 88 110

Short time dynamic current Idyn, max., kА 2.75 5.5 8.25 8.25 13.5 22 27.5 42.5 55 80 110 137.5 165 220 275