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ELECTRICAL POWER RESEARCH LABORATORY

Plot No. 25, Aatmiya Brookfieldz Industrial Park, AT Untiya (Kajapur) Village, Near POR Village, Vadodara, Vadodara, Gujarat, 391240

9724207285 sb.diwan@eprl.in

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Indian Standard No.

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Testing Charges (Excl. Of Taxes)

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IS 1180 : Part 3 (2021)

Outdoor/Indoor Type Liquid Immersed Distribution Transformers Up to and Including 2 500 kVA, 33 kV — Specification Part 3 Natural/Synthetic Organic Ester Liquid Immersed

156750 View breakup
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Clause No.	Exclusion	Testing Charges (Excl. Of Taxes)	Remark
21.2 a(Measurement of winding resistance [IS 2026 (Part 1)].)	-	7050	Sample rating : 2500 kVA, 17 Tap
21.2 b(Measurement of voltage ratio and check of phase displacement [IS 2026 (Part 1)].)	-	9650	Sample rating : 2500 kVA, 17 Tap
21.2 c(Measurement of short-circuit impedance (principal tapping, when applicable) and load loss at 50 percent and 100 percent load [IS 2026 (Part 1)].)	-	7000	Sample rating : 2500 kVA, 17 Tap
21.2 d(Measurement of no-load loss and current [IS 2026 (Part 1)].)	-	4500	Sample rating : 2500 kVA, 17 Tap
21.2 e(Measurement of insulation resistance [IS 2026 (Part 1)].)	-	550	Sample rating : 2500 kVA, 17 Tap
21.2 f(Induced over-voltage withstand test [IS 2026 (Part 3)].)	-	1000	Sample rating : 2500 kVA, 17 Tap
21.2 g(Separate-source voltage withstand test [IS 2026 (Part 3)])	-	1000	Sample rating : 2500 kVA, 17 Tap
21.3 a(Lightning impulse test [IS 2026 (Part 3)].)	-	75000	Sample rating : 2500 kVA, 17 Tap with chopping
21.3 b(Temperature-rise test [IS 2026 (Part 2)].)	-	20000	Sample rating : 2500 kVA, 17 Tap
21.3 d(Pressure test)	-	9000	Sample rating : 2500 kVA, 17 Tap
21.4 a(Determination of sound levels [IS 2026 (Part 10)];)	-	5000	Sample rating : 2500 kVA, 17 Tap
21.4 c(No load current at 112.5 percent voltage (see 6.9.2, 7.9.2, 8.9.2);)	-	1500	Sample rating : 2500 kVA, 17 Tap
21.4 d(Paint adhesion test — The test is performed as per ASTM D3359 (Standard Test Methods for measuring adhesion by tape test).)	-	1000	Sample rating : 2500 kVA, 17 Tap
21.4 e(BDV and Moisture content of liquid in the transformer (IS 16081, IS 16099, IS 16899 or IS 16659, whichever is applicable).)	-	5000	Sample rating : 2500 kVA, 17 Tap
21.5(Pressure and Ester Liquid Leakage Test)	-	9500	Sample rating : 2500 kVA, 17 Tap Pressure (Routine): 5000 and Leakage test : 4500

Complete

IS 1180 : Part 1 (2014)

Outdoor Type Oil Immersed Distribution Transformers Upto and Including 2 500 kVA, 33kV - Specification Part 1 Mineral Oil Immersed (Fourth Revision)