-
E-mail
13901452326@139.com
-
Phone
17798959858
-
Address
Chuangye Road, Baoying Liubao Industrial Concentration Zone, Yangzhou City, Jiangsu Province
Product Categories
- Dry type high-voltage test transformer
- Variable frequency series resonance test device
- Partial discharge detector
- Transformer volt ampere characteristic tester
- Transformer characteristic tester
- Variable frequency dielectric loss tester
- DC high voltage generator
- Intelligent dielectric loss tester
- Variable frequency anti-interference dielectric loss tester
- Abnormal frequency dielectric loss tester
- Dielectric loss tester
Yangzhou Zhongyue Electric Co., Ltd
Oil immersed high-voltage test transformer
NegotiableUpdate on 11/20
- Model
- Nature of the Manufacturer
- Producers
- Product Category
- Place of Origin
Overview
Oil immersed high-voltage test transformer power frequency withstand voltage test device, with touch sensitive button operation, all functions can be set through the button, improving the safety and reliability of the product; The fully digital calibration method abandons the outdated potentiometer adjustment, making it extremely convenient for on-site use and easy to control accuracy (this function comes with password protection).
Product Details
ZYDQ8803 Oil immersed High Voltage Test TransformerProduct Introduction:
With the advancement of technology and the rapid development of the power industry, especially in recent years, the "urban and rural two network transformation", high-voltage cross-linked cables and GIS (composite electrical equipment) have been widely used, and the capacity and length of cables continue to rise. The previous DC withstand voltage test cannot accurately reflect the actual insulation performance of the above equipment, and the ordinary power frequency test equipment used as a test method appears extremely bulky in large capacity situations and is not suitable for on-site use. Therefore, in response to this on-site testing requirement. Its intelligence and miniaturization greatly reduce the physical labor of testers and improve work efficiency.
Widely used in industries such as power, metallurgy, petroleum, and chemical, it can not only handle various specifications of XLPE and other power cables GIS、 Circuit breakers and bushings are subjected to AC withstand voltage tests, and through certain frequency limitations, the withstand voltage level of electrical equipment such as large generator sets, power transformers, and transformers can also be tested.
Working Principle:
1. AC and DC high-voltage test transformers:
Input the power supply into the operation box (or console), and adjust the voltage through an autotransformer to input it into the primary winding of the test transformer. According to the principle of electromagnetic induction, power frequency high voltage can be obtained in the secondary (high voltage) winding. This power frequency high voltage can be rectified by a high voltage silicon stack and filtered by capacitors to obtain a direct current high voltage, with an amplitude 1.4 times the effective value of the power frequency high voltage. However, when using DC, the short-circuit rod should be pulled out, and when using AC, the short-circuit rod should be inserted.
2. High voltage test transformer with tap:
In order to simultaneously satisfy the contradiction between high voltage and low current in a transformer, the high-voltage winding is divided into two windings for winding, one with high current and the other with low current, and then the two windings are connected in series and led out separately.
3. Cascade high voltage test transformer:
In order to obtain a higher voltage test transformer, the series method can also be used to obtain a higher voltage. The capacity and voltage relationship of three transformers satisfy: P1=2P2=3P3, U (total)=1U+2U+3U.
Product Features:
1. Small size, light weight, and easy operation;
2. The green screen displays test data and test status, and has real-time operation step prompt function;
3. Can flexibly adjust the test voltage, frequency range, and pressurization time;
4. The experimental results can calculate the capacitance of the test sample;
5. High resolution: frequency resolution of 0.1Hz;
6. High safety and reliability. The device has overcurrent, overvoltage, IPM, and discharge protection functions, which can effectively protect personal and equipment safety.
7. The test results can be printed.
Technical Specifications:
1. Environmental temperature: -25~50 ℃
2. Working humidity: ≤ 90%
3. Altitude: ≤ 2000M
4. Power supply: AC220V or
5. AC380V (including two-wire input)
6. Frequency adjustment range: 30-300Hz (can be relaxed according to user requirements)
7. System measurement accuracy: Level 1
8. Frequency adjustment resolution: 0.1Hz
9. Instability: ≤ 0.05%
10. Output waveform: sine wave
11. Waveform distortion rate: ≤ 0.5%
12. Noise: ≤ 60dB
13. Reactor Q value: 30-200
ZYDQ8803 Oil immersed High Voltage Test Transformer
With the advancement of technology and the rapid development of the power industry, especially in recent years, the "urban and rural two network transformation", high-voltage cross-linked cables and GIS (composite electrical equipment) have been widely used, and the capacity and length of cables continue to rise. The previous DC withstand voltage test cannot accurately reflect the actual insulation performance of the above equipment, and the ordinary power frequency test equipment used as a test method appears extremely bulky in large capacity situations and is not suitable for on-site use. Therefore, in response to this on-site testing requirement. Its intelligence and miniaturization greatly reduce the physical labor of testers and improve work efficiency.
Widely used in industries such as power, metallurgy, petroleum, and chemical, it can not only handle various specifications of XLPE and other power cables GIS、 Circuit breakers and bushings are subjected to AC withstand voltage tests, and through certain frequency limitations, the withstand voltage level of electrical equipment such as large generator sets, power transformers, and transformers can also be tested.
Working Principle:
1. AC and DC high-voltage test transformers:
Input the power supply into the operation box (or console), and adjust the voltage through an autotransformer to input it into the primary winding of the test transformer. According to the principle of electromagnetic induction, power frequency high voltage can be obtained in the secondary (high voltage) winding. This power frequency high voltage can be rectified by a high voltage silicon stack and filtered by capacitors to obtain a direct current high voltage, with an amplitude 1.4 times the effective value of the power frequency high voltage. However, when using DC, the short-circuit rod should be pulled out, and when using AC, the short-circuit rod should be inserted.
2. High voltage test transformer with tap:
In order to simultaneously satisfy the contradiction between high voltage and low current in a transformer, the high-voltage winding is divided into two windings for winding, one with high current and the other with low current, and then the two windings are connected in series and led out separately.
3. Cascade high voltage test transformer:
In order to obtain a higher voltage test transformer, the series method can also be used to obtain a higher voltage. The capacity and voltage relationship of three transformers satisfy: P1=2P2=3P3, U (total)=1U+2U+3U.
Product Features:
1. Small size, light weight, and easy operation;
2. The green screen displays test data and test status, and has real-time operation step prompt function;
3. Can flexibly adjust the test voltage, frequency range, and pressurization time;
4. The experimental results can calculate the capacitance of the test sample;
5. High resolution: frequency resolution of 0.1Hz;
6. High safety and reliability. The device has overcurrent, overvoltage, IPM, and discharge protection functions, which can effectively protect personal and equipment safety.
7. The test results can be printed.
Technical Specifications:
1. Environmental temperature: -25~50 ℃
2. Working humidity: ≤ 90%
3. Altitude: ≤ 2000M
4. Power supply: AC220V or
5. AC380V (including two-wire input)
6. Frequency adjustment range: 30-300Hz (can be relaxed according to user requirements)
7. System measurement accuracy: Level 1
8. Frequency adjustment resolution: 0.1Hz
9. Instability: ≤ 0.05%
10. Output waveform: sine wave
11. Waveform distortion rate: ≤ 0.5%
12. Noise: ≤ 60dB
13. Reactor Q value: 30-200
ZYDQ8803 Oil immersed High Voltage Test Transformer
Similar Product Recommend
