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132 KV Current Transformers



132 KV Current Transformers
Product Description

132 KV Current Transformers

Outdoor Type Current Transformers (Dead Tank)

Macroplast manufactures Dead Tank type Outdoor Current Transformers up to 132 Kv system voltage.

Dead Tank type Current Transformers have cores, primary and secondary windings arranged in the lower tank. The primary windings are taken to the top tank through HT insulators to be connected to the primary terminals. The top tank of these CTs is live. The secondary windings are connected to secondary terminals arranged inside the secondary terminal box placed on the bottom tank.

Construction Features :

  • Pressure Release Device
  • Oil Level Indicator (Snow White)
  • Oil Expansion Tank
  • Primary Terminal (30mm ø)
  • Bushing
  • Bushing Clamp
  • Lifting Lug
  • Main Tank (3mm thk)
  • Earthing Paid (50mm x 6mm)
  • Name and Rating Plate
  • Oil Drain Plug
  • Secondary Terminal Box
  • Oil Filling Plug
  • Cable Gland
  • Mounting Hole (16mm ø)

Technical Specifications for Current Transformers

Type – LT, Resin Cast, Outdoor, Oil Minimum






Nominal system voltage (kv)

LT CT

11

33

66

132

Highest system voltage

0.66

12

36

72.5

145

Power frequency withstand voltage 1 min (kv)

3

28

70

140

275

Impulse withstand voltage (kvp)

NA

75

170

325

650

Rated Burden

2.5 VA to 30 VA

Rated Frequency (Hz)

50

50

50

50

50

Creepage Distance phase to earth (m.m)

NA

300

900

1815

3625

Rated primary current (Amp)

2.5 Amp to 2000 Amp

Rated Continous thermal current (Amp) (max)

NA

125% of rated primary current

Rated Secondary current (Amp)

1 Amp to 5 Amp/as per client requirements

Rated short time thermal current

NA

3 KA to 40 KA for one/three second

Rated dynamic current (KA-peak)

NA

2.5 times of short time current

Accuracy class (IS/IEC standard)

0.5, 1.0

0.2S; 0.2, 0.5S, 0.5, 1.0 for metering, 10P and PS for protection

Rated instrument security factor

Less than 5

Rated accuracy limit factor

10,20,30

Knee point voltage (PS Class)

As per customer requirements

Applicable Standards for Current Transformers

The standards followed by Macroplast for design and manufacturing of current transformers are

  • IEC : 60044-1
  • ISS : 2705
  • BSEN : 60044-1
  • ANSI : C.57.13

** Further, Macroplast also possesses the expertise to manufacture Current Transformers as per client specifications and requirements


Product Code : 11


MACROPLAST PVT. LTD.

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Contact Details
MACROPLAST PVT. LTD.
D-18/2, Surajpur Industrial Area, Site-B, Gautam Buddh Nagar, Greater Noida - 201306, Uttar Pradesh, India
Phone : +918268154239
Fax : 91-120-2560718
Mr. S. K. Mishra (Chairman & Managing Director)

Mobile : +918268154239
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