Transformer on-Load and No-Load Tester Iron Loss Tester

Product Details
Customization: Available
After-sales Service: Lifetime Technical Support
Warranty: 1 Year for Transformer Loss Capacity Tester
Diamond Member Since 2007

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Registered Capital
100800000 RMB
Plant Area
>2000 square meters
  • Transformer on-Load and No-Load Tester Iron Loss Tester
  • Transformer on-Load and No-Load Tester Iron Loss Tester
  • Transformer on-Load and No-Load Tester Iron Loss Tester
  • Transformer on-Load and No-Load Tester Iron Loss Tester
  • Transformer on-Load and No-Load Tester Iron Loss Tester
  • Transformer on-Load and No-Load Tester Iron Loss Tester
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Basic Info.

Model NO.
GDBR-P
Product Name
Transformer on-Load and No-Load/Iron Loss Tester
RMS of Three Phase Voltage
Uab,Ubc,Uca.
Average Value of Three Phase AC Voltage
Uab,Ubc,Uca
RMS of Three Phase Current
Ia,Ib,IC.
Current Measurement Range
100mA-60A,Accuracy; Class 0.2
Voltage Measurement Range
10V-650V,Accuracy;Class 0.2
Frequency Measurement Range
40-65Hz, Accuracy;Class 0.2
Power Input
AC220V± 10%
Accuracy
Class 0.2
Percentage
Po,Io%
Transport Package
Wooden Case
Specification
Transformer Power Tester
Trademark
GOLD
Origin
Chongqing, China (Mainland)
HS Code
9031809090
Production Capacity
500pieces/Month

Product Description

GDBR-P Transformer On-load And No-load Tester Iron Loss Tester


Transformer on-Load and No-Load Tester Iron Loss Tester

Features:

1.Measure transformer No-load current, No-load loss, short circuit voltage, short circuit loss and capacity.
Three meters testing methods.

2.When making three phase transformer No-load, load test, the instrument will judge if the wiring is correct automatically, and shows three phase voltage, current vector diagram.

3.Finish load test under 1600kVA below distribution transformer full current for single machine. Finish 2500kVA below distribution transformer load test under 1/3 rated current (Under 1/3 rated current, the instrument can be converted to load loss parameters under rated current.)

4.All test results are corrected automatically. The instrument automatic correction as follows, waveform correction, temperature correction, Non rated voltage correction and non rated current correction. The test results are more accurate.

5.320*240 high brightness LCD screen, with brightness adjustment. Touch buttons make the operation more convenient.

6.Real-time clºCk, recording test date automatically, suitable for storage and management of test results.
Built-in panel-type thermal printer, fast print test results.

7.Power down store and browse data (test object set, measurement results, test time) functions. Store up to 500groups test results, data transmission online to PC.

8.Allows extended range measurement for external voltage transformer and current transformer. Measure test object of any parameters.



What are the consequences of not conducting no-load and on-load tests on transformers?
 

Increased Losses: Without proper testing, transformers may experience additional losses, such as joint loss, which occurs in the corners of the core due to different joint patterns creating varying gap sizes. Larger gaps result in more loss. These losses can significantly impact the efficiency and performance of the transformer.
 
Potential Disqualification: In the context of Factory Acceptance Tests (FAT) for new power transformers, if the no-load loss measured exceeds 10% of the guaranteed value, the buyer may disqualify the transformer or impose a reduction in cost. This highlights the importance of conducting no-load tests to ensure transformers meet the required performance standards.
 
Risk of Faults: Without on-load tests, there's a risk of undetected faults that could lead to overheating, insulation failures, or core damage. These faults can compromise the safety and reliability of electrical systems, potentially leading to costly repairs or even system failures.
 
Inaccurate Performance Measurements: Without no-load and on-load tests, it's challenging to accurately measure the transformer's performance under different operating conditions. This can lead to inaccurate performance measurements, which are crucial for ensuring the transformer operates within its design specifications and meets the needs of the electrical system.
 
Potential for Electrical Accidents: For current transformers, operating under no-load conditions without proper testing can lead to a very large voltage developed between its secondary winding terminals. This high voltage can ionize the air between the terminals, causing an electric spark of very high intensity that can lead to electrical accidents.
 
Impact on Transformer Efficiency: Both no-load and on-load tests are essential for assessing the transformer's efficiency. No-load tests measure core losses, while on-load tests measure load losses and short-circuit impedance. Without these tests, it's difficult to ensure the transformer operates efficiently, which can lead to increased operational costs and reduced lifespan of the transformer.

 

Transformer on-Load and No-Load Tester Iron Loss Tester
Transformer on-Load and No-Load Tester Iron Loss Tester


Specifications:

1. Test items

RMS of three phase voltage  Uab,Ubc,Uca.
Average value of three phase AC voltage  Uab,Ubc,Uca.
RMS of three phase current  Ia,Ib,Ic.
Percentage of No-load loss and No-load current  Po,Io%.
Load loss, impedance voltage percentage, short circuit impedance  Pt,ekt,Zt.
Load loss, impedance voltage percentage and short circuit impedance at any specified temperature.
Transformer actual capacity and judged capacity.


2. Main technical parameters

Current measurement range  100mA-60A,accuracy;class 0.2
Voltage measurement range  10V-650V,accuracy;class 0.2
External transformer can broaden the measurement range of instrument
Frequency measurement range  40-65Hz, accuracy;class 0.2
Power input  AC220V± 10%


Transformer on-Load and No-Load Tester Iron Loss Tester
Transformer on-Load and No-Load Tester Iron Loss Tester

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