Lamination Stampings, AC Unbalanced Electronic Servo Controlled Voltage Stabilizer , Variable Auto Transformer, Isolation Transformer.

Detail of Equipment Tested

Servo Controlled Stabilizer / Isolation Transformer

Input

170 To 270 Volts

Output

230 Volts 1

Type

SUP / W.2

Phase

Single Frequency: 50Hz.

Isolation Transformer

Torodial Round core, CRGO 41

Details

Grade.

Reference Standard

Is 8448 - 1989, Is 302-1979 & As per Customer's Requirement

Test Conducts

1.	Insulation resistance test.
2.	Induced voltage test.
3.	No-load current test.
4.	High voltage test.
5.	Physical examination.
6.	Output voltage tests at no-load.
7.	Output voltage test at rated load.
8.	Temperature rise test of isolation transformer
9.	Voltage correction speed.
10.	Harmonic distortion of output.
11.	Protection against electric shock.
12.	Electrical insulation and leakage current at operating temperature
13.	Stability
14.	Provision for earthling.
15.	Screws and connections
16.	Creepage distances & clearances.
17.	High/Low cut-off and time delay.
18.	DC voltage at relay contacts.

Remarks

Sample CONFORMS the requirement of ISS in the above mentioned test.