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MACROPLAST PVT. LTD. MACROPLAST PVT. LTD.
Greater Noida, Uttar Pradesh, India
 

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Current Transformers



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Product Description

Current Transformers

Outdoor Type Current Transformers (Live Tank)

Macroplast manufactures Live Tank type Outdoor current Transformers up to 132 Kv system voltage.

Live Tank type Current Transformers have cores, primary and secondary windings arranged in the top tank. The primary windings are then connected to primary terminals which are also arranged in the top tank. The secondary windings are taken through the HT insulator to the bottom mounting base has arrangement for secondary terminals inside the secondary terminal box.

Construction Features :

  • Pressure Release Diaphram
  • Oil Filling Plug
  • Oil level Indicator  (Back. Snowhite)
  • Primary Terminal
  • Oil Tank with Cover
  • Name and Rating Plate
  • Bushing Clamp
  • Bushing
  • Secondary Terminals Box
  • Earthing Terminals
  • Lifting Hole
  • Mounting Hole (ø16 mm)
  • Base
  • Cable Gland (20 mm 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 : 09


MACROPLAST PVT. LTD.

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Contact Details
MACROPLAST PVT. LTD.
Greater Noida, Uttar Pradesh, India
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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