Page 1

CPRI

TEST REPORT

Central Power Research Institute (A Govt. of India Society) P.D. No.9, Uppal P.O., Hyderabad - Warangal Highway, HYDERADAD - 500 039 (INDIA)

- ---

-

-


UHV RESEARCH LABORATORY CENTRAL POWER RESEARCH INSTITUTE P.B. No.9,

UPPAL P.O., HYDERABAD - WARANGAL HIGHWAY 500 039. HYDERABAD

-

Phone: Direct (040)-27203622, EPABX: (040)-27203112.27204701 Fax: (040)-27203378, E-mail: uhvac@cprihyderabad.com

CPRI

Certificate No. : T-0098 Sheet 01 of 04

TEST REPORT IL-063

Test report number Name & address of the customer

, Name& addressof the manufacturer

Particulars of sample tested Condition of sample on receipt Type Description Serial number Number of samples tested Date(s) of test(s) CPRI sample code number

Particulars of test conducted Test method Standard/specification

Dated: 03.07.2008

M/s. Crompton Greaves Ltd., S-3 Division, A-3 MIDC, Ambad, Nashik - 422010 ( Maharastra). Mis. Crompton Greaves Ltd., S-3 Division, A-3 MIDC, Ambad, Nashik - 422010 ( Maharastra). New 200-SFM-40 S 245 kV, 3150 A, 40 KA, SP-SP,SF6 Gas Circuit breaker (Single Pole). 26792C One 02.07.2008 UHVIG08S0129 Lightning impulse voltage test (Dry)

IEC: 62271-100/2006 Sampling plan Customers requirement Deviations if any Name of the witnessing persons Customer's representatives

Other than customer's representatives

Test subcontracted laboratory

with address of the

Not applicable Nil Nil

1) Mr. H.C. Joshi. 2) Mr. M.K. Sharma Nil

Nil

Documents constituting this report (in words) Number of sheets Number Number Number Number Number

of of of of of

oscillograms graphs photos test circuit diagrams drawings

(Dr. PRA~E) Test Engineer

Four Twelve (Three sheets) Nil Nil One (One sheet)

~

FiD AUTHORIZED SIGNATORIES

(B. GUNASEKARAN) Additional Director


UHV RESEARCH LABORATORY CENTRAL POWER RESEARCH INSTITUTE P.B. No.9, UPPAL P.O., HYDERABAD - WARANGAL HIGHWAY 500 039. HYDERABAD

-

Phone: Direct (040)-27203622. EPABX: (040)-27203112. 27204701 Fax: (040)-27203378. E-mail: uhvac@cprihyderabad.com

CPRI

Certificate No. : T-0098 Sheet 02 of 04

IL-063

Test report number

Dated: 03.07.2008

MOUNTING ARRANGEMENTS & TEST CONNECTIONS DURING TEST: Mounting Arrangements: One pole of the circuit breaker was erected at outdoor. 2) 3942643 -1/2 3) 2935233 Rev.3 Reference drawing Nos: 1) 4942641 4) 2932273 Rev.6 5) 3935402 Rev.O SFa Gas Pressure: 6.0 kg/cm2 at 20째C Test connections:

Test connection No.

Status of the breaker

1 2 3

Open Open Closed

'F'

Impulse voltage source to A a Aa

Earth connected to a,F A,F F

-Frame

AMBIENTCONDITIONS: Name of the test

Test connection No.

Lightning impulse

1&2 3

voltagetest (Dry)

Temperature in Degree Celsius Wet Dry 31 33

25 26

Atmospheric pressure in mm of Hg. 717 717

Atmospheric correction factor 1.005 0.992

TEST PROCEDURE: As per standard.

(Dr. PRADEEP M. NIR Test Engineer


UHV RESEARCH LABORATORY CENTRAL POWER RESEARCH INSTITUTE P.B. No.9, UPPAL P.O., HYDERABAD - WARANGAL HIGHWAY HYDERABAD 500 039.

-

Phone: Direct (040)-27203622, EPABX: (040)-27203112, 27204701 Fax: (040)-27203378, E-mail: uhvac@cprihyderabad.com

CPRI

Certificate No. : T-0098 Sheet 03 of 04 Dated: 03.07.2008

IL-063

Test report number RESULTS & OBSERVATIONS:

TEST:Lightning impulse v.oltage test (Dry) Test connection No. 1

Polarity

No. of Impulses applied

Lightning Impulse Voltage KV(peak)@

Reference oscillogram No. C:\CPRI2008\07\CGL\. ... DAT

Remarks

Negative

15

1050

003 &017

Withstood

Positive

15

1050

022 &036

Withstood

Positive

15

1050

042 &056

Withstood

Negative

15

1050

062 &076

Withstood

Negative

15

1050

082 &096

Withstood

Positive

15

1050

102 & 116

Withstood

2

3

Overall uncertainty of measurement for the peak value of voltage is :!: 1.58% with a confidence level not less than 95% for a coverage factor 2.

TEST CIRCUIT DIAGRAM TEST: Lightning impulse voltage test (Dry) ...............................................................................................................

I................... :

:

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4

11..........................................................................................................

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13

Leaend: 1. Impulse voltage generator 2. Impulse voltage divider 3. Digital recorder for measurement of voltage 4. Test object V. Voltage (Dr. PRADEEP M. NI Test Engineer

..


UHV RESEARCH LABORATORY CENTRAL POWER RESEARCH INSTITUTE P.B. No.9, UPPAL P.O., HYDERABAD . WARANGAL HIGHWAY HYDERABAD 500 039.

.

Phone: Direct (040)-27203622. EPABX: (040)-27203112, 27204701 Fax: (040)-27203378, E-mail: uhvac@cprihyderabad.com

CPRI

Certificate No. : T-0098 Sheet 04 of 04

Test

report number

Dated: 03.07.2008

IL.Q63 NOTE

a) The test results relate~ only to the items tested. b)

Publication or reproduction of this report in any form other than by complete set of the Whole report and in the language written is not permitted without the written approval of CPRI.

c)

Corrections! erasing invalidates the test report.

d) Any anomalies! discrepancies in the test report should be brought to our notice within 45 days from the date of issue.

~~. (Dr. PRADEEP M. NIRGUDE) Test Engineer


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6.5

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262 Kg

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1

FOR 5 MINUTES.

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MATERIAL

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PORCElAIN SHELL DESCRIPTION

IS:1865

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DRG./DIMN.I WT. I REMARKS

THIRDANGLEPROJECTION. SIGN I NAME INTERRUPTER INSULATOR DRN SSS FOR 245KV.GANGOPERATED CHD SSK AND 245KV.SPRING-SPRING. ~ APPD SSK 25.11.07 DATE 3/3/1999 e 1~ICromp~on FLANGEHEIGHTWAS 90. SSS SCALE NTS ~Gre.v.. 21 TOL ON DIA 296 REMOVEI---L _.HASHII<. DIMENSIONSARE 7/7/99 ALL WAS CIA 390 %0.3 IN mm DRG.NO:2935233 I R3 REVISI


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Net WeIght (apprax.)

141.5Kg

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UNSPECIFIEDTOLERANCES AS PER IS : 5621-1980

2.

MINIMUM NOMINAL CREEPAGE DISTANCE

3.

PARALLEUSM BETWEENEND SURFACESOF UPPER ANDLOWERFLANGES

4.

PARALLEUSM BETWEEN END SURFACES OF PORCELAIN AND FLANGES

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ANGUlARMISMATCH BETWEENMAtlNGHOLESOF UPPER AND LOWERFLANGES-LESS THAN1.5mm OTHERROUtlNE ANDACCEPTANCE TESTS AS PER IS:5621-1980 &: IEC 62155-2003 PROTECTEDCREEPAGEDISTANCE1410mm MINIMUM CEMENtlNGTHICKNESS4mm UNDERANYCONDmONOF WARPAGEat SHELL0.0. VARlAtlON. CAMBERAS MEASUREDBY STRINGOVERSHED 4mm MAX. SHED PROFILEAS PER IEC:60815-1986 VISUALDEFECTSAS PER IEC:62155-2003 MATERIAL SPEC'S AS PER SP-09

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FOR 5 1l1NUIES.

6. ULTRASONICTEST ON GROUND SURFICE Of PORCElAIN.

CONCENTRICITY

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11 6 ensaio de tensão suportável de impulso atmosférico  
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