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SCT Transformer ON-LOAD Tap Changer Tester
It is an integrated instrument used for measurement and analysis power transformers and special transformers on-load tap changer’s electrical performance of power system. It adopts computer-controlled, through a specially designed measuring circuit can be realized measurement of on-load tap changer’s transition time, transition waveform, the transition resistance, three-phase simultaneous performance and other parameters. According to the user’s needs and field conditions, it not only can directly lead measure from tap changer, but also can use the transformer three-phase bushing and the neutral point lead measure directly
(1) Light oscillograph function
(2) Strong comprehensive measurement capability
(3) Comprehensive analysis of test results
(4) Data hold, data communication
(5) Strong anti-interference
(6) Large-screen LCD display, Chinese menu operation
(7) Own micro-printer, Chinese-characterizing print measurement result and waveform
(8) Small size, light weight
Transformer On-load Tap Changer Tester's technical Data:
Power supply |
10% Power≤200W± 220V |
Dimensions |
410mm*320mm*200mm |
Weight |
≤20kg |
Monitor |
240*128Wide temperature range type LCD |
Printer |
MP-40-8 panel type front changing paper printer |
Processing part |
80C320 high-speed 8-bit microprocessor. Program memory 32K; power down to keep the data memory 512K bytes; high-speed A / D converter, the maximum sampling rate up to 400KHZ |
Transition resistance measurement range |
W Y type transformer 1-40A |
W Y type transformer 1-20A | |
Measurement Accuracy |
,Δ≤±10%W 1-5A |
,Δ≤±5%W 5-40A | |
Time error |
Δ≤±1% |
- Your inquiry related to our products or prices will be replied in 24 hours.
- Well-trained and experienced staffs to answer all your enquires in fluent English.
- Professional service from well-trained and experienced staffs is customers’ best choice to secure good communication, on time delivery, reliable warranty etc.
- OEM is available for Anern Products.
- Protection of your sales area, ideas of design and all your private information.
Q: What is BDV test for distribution transformer?
A: When you say BDV you might mean the dielectric strength of transformer oil. A new transformer oil should have at lest a dielectric strength of 39 KV. from a British standard.Transformer oils used are normally tested using ASTM D877-82 with the KV strength tester using 1" electrodes spaced 0.1" apart and the test voltage increased at 3,000 volts/min until it breaks down. The average Kv obtained after 8 trials is considered the Oil dielectric strength.
Using this test method,dielectric strength at 30 kv and above is considered good. Dielectric strength between 23 to 29Kv is considered usable, but requires filtering. Below 23 kv, the transformer oil should be replaced. Another method ASTM D18747-82 uses the small radius electrodes but spaced only .o4 inches. The test voltage is 500volts/min and increased until breakdown. The dielectric strength is still the average Kv obtained in 8 trials. The dielectric strength of 28-29Kv is considered good. Below 28 kv, the transformer oil is usable but requires filtering. The latter method is considered a better test method.
Chongqing Assen Power Equipment Co.,LTD, which is professional in design, manufacture, sale of oil purification equipment, relevant testing instruments and provide comprehensive filtering solution, owns advanced production lines and sophisticated detection equipment, first-class R & D staff , professional workers and High-quality sales and service teams
Our Product: Double Stage Transformer Oil Purification system, Vacuum Lubricating Oil Purification, Vacuum Turbine Oil Conditioner, Portable Oil Purifier, Singe Stage Insulating Oil Purifier, Water Oil Separator, Light fuel Oil Purifier, and Fully-auto Dielectric Oil Tester, Turn ratio Tester, Acid Tester, Moisture Detector, Interfacial Tension Tester, etc.
Our Service: special filter technology consulting and solutions sector; fast after-sale service feedback system, well-trained service engineer; hands-on training and large-scale equipments operation myrmidon; regularly visit system, CRM customer relationship management system; rapid Filter wearing parts and spare parts supply system.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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