Converging Innovations, Expanding Solutions

Low Voltage Polycarbonate Current Transformers

Prepared By:Bhairav Joshi

Product Range

Testing

Manufacturing

Acceptability

Business Volume

Packaging

Prepared By:Bhairav Joshi

Product Range

Tube Current Transformers Plug-In Current Transformers

Wound Primary Current Transformers Ring Type Current Transformers

Prepared By:Bhairav Joshi

Product Range

Tube Current Transformers Plug-In Current Transformers

Primary Current(A)

Burden(VA)

Accuracy(%)

25 to 8001, 1.5, 2.5, 3.75, 5, 7.5,10, 15, 20

0.2,0.5,0.5S, 1.0, 3.0, 5 P 5 &

5 P 10

Primary Current(A)

Burden(VA)

Accuracy(%)

30 to 75001, 1.5, 2.5, 3.75, 5, 7.5,10, 12.5, 15, 20, 25, 30,35, 40, 45, 50,

60

0.2,0.2S, 0.5, 0.5S, 1.0, 3.0, 5 P

5 & 5 P 10

Bus Bar Sizes

25 x 10 to

4 x 200 x 10

Inner Diameter = 15 to 21 mm

Prepared By:Bhairav Joshi

Product Range

Wound Primary Current Transformers Ring Type Current Transformers

Primary Current(A)

Burden(VA)

Accuracy(%)

1 to 150 5, 7.5, 10, 15, 20 0.5, 1.0

Primary Current(A)

Burden(VA)

Accuracy(%)

30 to 32002.5, 5, 7.5, 10,

15, 201, 3, 5

Prepared By:Bhairav Joshi

Product Range

Prepared By:Bhairav Joshi

Product Range

Testing

Manufacturing

Acceptability

Business Volume

Packaging

Prepared By:Bhairav Joshi

Manufacturing

Designing• Electrical Design• Mechanical Design

Moulding of polycarbonate casings & Accessories

Assembly• Winding on core.• Final Assembly in polycarbonate casing.

Prepared By:Bhairav Joshi

Manufacturing - Design

Component Manufacturing

Tool / Mould Manufacturing

Tool Design & Developments

Product Design & Conceptualization

Product Requirements

Prepared By:Bhairav Joshi

Manufacturing – Moulding & Metal formed parts.

Production facility of polycarbonate casings

Production facility for metal formed parts

Prepared By:Bhairav Joshi

Manufacturing – Assembly

• 10000 Sq. Feet Floor shop for Manufacturing

• Winding & Assembly consisting of:

• Programmable coil winding machine

• Ultrasonic welding machine

• Core Test Bench

• Semi Automatic Hydraulic technique for Resin cast

CTs

• Various molds for Polycarbonate casings & Resin

molding

Prepared By:Bhairav Joshi

Product Range

Testing

Manufacturing

Acceptability

Business Volume

Packaging

Prepared By:Bhairav Joshi

Testing

• Type Tested as per IEC 61869 – 2 (replacing IEC : 60044-1 & IEC 60044-6)

One minute power frequency High Voltage withstand test on Primary winding.

One minute power frequency High Voltage withstand test on Secondary winding.

Over Voltage Inter Turn withstand test.

Verification of terminal markings and Polarity.

Measurement of Ratio Error & Phase Angle Error.

Measurement of Instrument Security Factor for Metering CT.

Measurement of Composite Error for protection CTs.

Temperature Rise Test.

Short Time Thermal Current and Dynamic Current Test.

Prepared By:Bhairav Joshi

Testing

• Routine Test

One minute power frequency High Voltage withstand test on Primary winding.

One minute power frequency High Voltage withstand test on Secondary winding.

Over Voltage Inter Turn withstand test.

Verification of terminal markings and Polarity.

Measurement of Ratio Error & Phase Angle Error.

Measurement of Instrument Security Factor for Metering CT.

Measurement of Composite Error for protection CTs.

Temperature Rise Test.

Short Time Thermal Current and Dynamic Current Test.

Measurement of Knee Point Votlage(Vk), Winding resistance corrected at 75 ⁰ C (RCT) & Excitation

Current (Iex) at Vk.

Prepared By:Bhairav Joshi

Testing

• Performance Guarantee

‘elmex’ guarantees performance of current transformers according to IEC 618692 – 2 Clause

5.6.201.2 Table 201, as follows:

Accuracy Class

Ratio Error±%

Phase Displacement± Minutes

at current (% of rated) at current (% of rated)

5 20 100 120 5 20 100 120

0.1 0.4 0.2 0.1 0.1 15 8 5 5

0.2 0.75 0.35 0.2 0.2 30 15 10 10

0.5 1.5 0.75 0.5 0.5 90 45 30 30

1 3.0 1.5 1.0 1.0 180 90 60 60

Prepared By:Bhairav Joshi

Product Range

Testing

Manufacturing

Acceptability

Business Volume

Packaging

Prepared By:Bhairav Joshi

Acceptability

• Elmex CTs are

• Elmex Current Transformer have proved its performance at various utilities and are

fully compliant to the specification of these utilities:

Prepared By:Bhairav Joshi

Product Range

Testing

Manufacturing

Acceptability

Business Volume

Packaging

Prepared By:Bhairav Joshi

Packaging

Packaging Options

Finished ProductPre-branded as required

Tested as per IEC 61869 – 2

Ready for use / Ready for sale

Can handle ‘Trans-Shipments’

LV CTs in Completely Knock Down

Assistance for setting-up assembly line

Assistance to establishingTesting system as per IEC 61869-2

Prepared By:Bhairav Joshi

Product Range

Testing

Manufacturing

Acceptability

Business Volume

Packaging

Prepared By:Bhairav Joshi

Business Volume

• INCOTERMS: EXW / FOB / C & F

• Feasible Business Volume: 100,000 USD

• What we need?

• Brand information.

• Agreement to produce for brand.

• Packing information.

Thank YouThank You