INSTRUMENT TRANSFORMER- CURRENT TRANSFORMER

OIP_Voltage_Transformer

 

Indoor Applications

Gemini Instratech manufactures a wide range of CTs (Wound Primary / Bar Primary / Window) available from 3.6 kV to 36 kV. Current Transformers are cast using a liquid resin system with plasticizer processed under vacuum at controlled temperatures. All CTs have been type tested as per latest revision of IEC 60044-­‐1. A variety of different frames cover CTs with primary currents ranging from 5 Amperes to 5000 Amperes. CT designs are tailor-made to suit customer requirements for specific applications.

Product Features

  • Manufactured using high grade of Epoxy Resin System
  • Suitable for temperature range -40° C to +80° C.
  • High mechanical stability of the winding and high strength against impulse and surge voltages.
  • high mechanical strength against the forces developed during dynamic currents.

Current Tranformers Specification

  Unit

Standard

IEC 60044-1 (2003); IS 2705 (1992)

Highest System Voltage

kV

3.6

7.2

12

17.5

24

36

One Min, Power Frequency Voltage

kV

15

28

38

38

50

95

Lightning Impulse

kVp

40

60

95

95

125

200

Max. Short Time Current for 3 seconds

kA

40

40

40

40

40

40

Voltage Transformers Specification

 

Unit

Standard

IEC 60044-2 (2003); IS 3156 (1992)

Highest System Voltage

kV

3.6

7.2

12

17.5

24

36

One Min, Power Frequency Voltage

kV

15

28

38

38

50

95

Lightning Impulse

kVp

40

60

95

95

125

200

Max. Voltage Factor

kA

1.2 continuous /1.9 for 8 hrs.

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