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GDBC-901 Single Phase and Three Phase Transformer Turns Ratio TTR Tester

GDBC-901 Single Phase and Three Phase Transformer Turns Ratio TTR Tester is designed as per IEC60076-1 and IEC60044.
GDBC-901 Single Phase and Three Phase Transformer Turns Ratio TTR Tester could be applied to test the turns ratio and group vector of single or three phase transformer. It can also used to measure turns ratio and polarity of CT PT.
Also the connection group of transformer could be calculated with the ratio.
All parameters are measured in one test for three phase transformer.

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Model:
GDBC-901
Brand:
CHONGQING GOLD
Code:
9030849000

Product Description

GDBC-901

Single Phase and Three Phase Transformer Turns Ratio TTR Tester

Main Test Items

The voltage ratio measurement for three or singe phase transformer .
Automatically measure the connection group of the transformer (three-phase, single-phase).
The group vector measurement for three phase transformer.
The polarity measurement for single phase transformer or CT/PT
Detect the position of the transformer tap switch according to the measurement result of the turns ratio and the standard turns ratio setting.
Automatically calculate voltage ratio error
CT PT ratio measurement
Display the excitation current in the process of turns ratio measurement

transformer turns ratio tester (3)

Specifications

1	Item Name	GDBC-901 Single Phase and Three Phase Transformer Turns Ratio TTR Tester
2	Ratio measurement range	1-10000 (can be customized up to 40000)
3	Group measurement	1-12
4	Phase measurement error	1 degree
5	Ratio measurement error	1-2000 ± 0.2%RDG ; 2000-10000 ± 0.5%RDG
6	Test voltage	0-120V
7	Power supply	AC220V ± 10%, 50Hz/60Hz (Support customize to AC127V or AC110V)
8	Environment temperature	0-50°C
9	Humidity	≤85%R
10	Dimension	584536CM
11	Gross Weight	22Kg

Advantages

The test power supply is generated by the internal power amplifier of the tester, and the waveform distortion rate is less than 0.5% and is not affected by the quality of power supply.
Automatic voltage regulation, with automatic protection functions such as transformer reverse connection, over-current, etc., to avoid damage to the instrument due to incorrect operation.
GDBC-901 Transformer Turns Ratio TTR Tester can be used for power transformer, CT and PT ratio detection.
Convenient standard transformation ratio setting template, don’t need to manually calculate the standard transformation ratio value.
Print the test results by micro printer. You can also upload the test results to PC by RS232 and make WORD report by software.
GDBC-901 Transformer TTR Tester is very light, the net weight is only 10KG. It’s easy to carry. It’s suitable for field test.

Wiring Connection

1)Three phase transformer test

A,B,C are connected to the HV side terminal A,B,C of transformer and a,b,c are connected to the LV side terminal a,b,c of transformer

2)Single phase transformer and PT test

A,B are connected to HV side terminal of single phase transformer/PT and a,b are connected to LV side terminal of single phase transformer/PT. C and c are connected to nothing.

3)CT test

A,B are connected to secondary of CT and a,b, are connected to primary of CT. C and c are connected to nothing.

Testing Process