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Building 6, Optics Valley Electromechanical Industrial Park, No. 84 Gaoxin 5th Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province
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Wuhan Ultra High Voltage Power Technology Co., Ltd
No partial discharge series resonance
NegotiableUpdate on 05/06
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Overview
The principle of high fidelity linear power amplifier for UHV (W) series resonant equipment without partial discharge ensures that the local discharge of the test system is less than 5pc. The digital and analog control box has dual circuit control, and the transmission can be recorded and the high-voltage U/T and I/T test curves can be drawn
Product Details
UHV (W) non partial discharge variable frequency series resonance is mainly used to test the insulation level of various insulation materials, insulation structures, and electrical products that can withstand power frequency voltage. It is also used as a non partial discharge power frequency test power supply for transformers, transformers, lightning arresters, and other test samples. Widely used in electrical manufacturing departments, power operation departments, research institutions, and higher education institutions.
UHV (W) series resonant equipment without partial dischargeApplicable objects: High voltage electrical equipment, such as transformers GIS、 Partial discharge and AC withstand voltage tests for transformers, switches, bushings, lightning arresters, and cables; The power frequency AC withstand voltage of insulation materials.
Product nickname: Non partial discharge AC voltage withstand resonance device, variable frequency resonance, variable frequency series resonance, series resonance, series resonance transformer, electrical equipment variable frequency series resonance voltage withstand device, series resonance test equipment, non partial discharge series resonance
UHV (W) series resonant equipment without partial dischargeparameter
Usage environment
| ambient temperature | -10℃～+50℃ |
| Daily temperature difference | ＜25K |
| relative humidity | ≤ 90%, no condensation |
| Solar radiation intensity | 0.1W/cm2 |
| altitude | ≤1000m |
| Place of use | Outdoor/Indoor |
| No fire or explosion hazards | |
| There is no gas present that corrodes metals and insulation | |
| There is a reliable grounding point | |
| The installation and placement location should be flat, and the inclination of the reactor installation should not exceed 5 ° | |
technical parameters
| Rated capacity | 450kW |
| Input working power supply | Three phase 380V ± 10%, 50Hz |
| Output voltage instability | ≤ 1.0% |
| Rated output current | 1285.7A |
| Output voltage waveform | Sinusoidal waveform |
| waveform distortion rate | ≤1.0% |
| Test frequency range | 30～300Hz |
| Output frequency resolution | 0.1Hz |
| Output frequency instability | ≤0.05% |
| Insulation level | Input and output terminals to ground ≥ 2kV/AC/1min |
| cooling method | forced air cooling |
| noise | ≤80dB |
Partial discharge test power supply
| serial number | rated power | working power supply | output voltage | Remarks |
| 1 | 5kW | 380V | 0-350V | Small capacity, portable, aluminum profile chassis, local control mode |
| 2 | 10kW | 380V | 0-350V | |
| 3 | 15kW | 380V | 0-350V | |
| 4 | 50kW | 380V | 0-350V | Medium capacity, lifting type, iron shell cabinet, remote control method |
| 5 | 100kW | 380V | 0-350V | |
| 6 | 150kW | 380V | 0-350V | |
| 7 | 200kW | 380V | 0-350V | Medium capacity, lifting type, iron shell cabinet, remote control method |
| 8 | 250kW | 380V | 0-350V | |
| 9 | 300kW | 380V | 0-350V | |
| 10 | 350kW | 380V | 0-350V | Extra large capacity, lifting type, iron shell cabinet, remote control method |
| 11 | 400kW | 380V | 0-350V | |
| 12 | 450kW | 380V | 0-350V |
110kV main transformer induction withstand voltage and partial discharge test system
| serial number | Device Name | Main component names, models, and quantities | Main technical parameters | Scope of application |
| 1 | 150kW Non Partial Discharge Frequency Conversion Resonance Test System | Non partial discharge variable frequency control power supply 150kW 1 unit | Power supply: 150kW | Induction withstand voltage and partial discharge test for main transformers of 110kV/120MVA and below |
| Local volume: ≤ 10PC | ||||
| Input power supply: three-phase 380V | ||||
| Output voltage: single-phase 0~350V | ||||
| Output frequency: 30-300Hz | ||||
| 2 | Non partial discharge excitation transformer 150kVA 1 unit | Rated capacity: 150kVA | ||
| Local volume: ≤ 10PC | ||||
| Input voltage: 350V | ||||
| Output voltage: 10kV * 2 | ||||
| 3 | No partial discharge compensation reactor 2 units of 20kV/10A | Rated voltage: 20kV | ||
| Rated current: 10A | ||||
| Working frequency: 50-150Hz | ||||
| Local volume: ≤ 10PC | ||||
| 4 | Non halo AC voltage divider 100kV/0.5nF 1 台 | Rated voltage: 100kV | ||
| Local volume: ≤ 10PC | ||||
| Measurement accuracy: Level 1.0 | ||||
| Frequency range: 30-300Hz | ||||
| 5 | System attachments | Standard configuration of anti dizziness sleeve, power cord, connecting wire, etc | ||
| 6 | One partial discharge tester | Digital two channel |
220kV main transformer induction withstand voltage and partial discharge test system
| serial number | Device Name | Main component names, models, and quantities | Main technical parameters | Scope of application |
| 1 | 300kW Non Partial Discharge Frequency Conversion Resonance Test System | Non partial discharge variable frequency control power supply 300kW 1 unit | Power supply: 300kW | Induction withstand voltage and partial discharge test for 220kV/240MVA and above main transformers |
| Local volume: ≤ 10PC | ||||
| Input power supply: three-phase 380V | ||||
| Output frequency: 30-300Hz | ||||
| Output voltage: Single item 0~350V | ||||
| 2 | Non partial discharge excitation transformer 300kVA 1 unit | Rated capacity: 300kVA | ||
| Local volume: ≤ 10PC | ||||
| Input voltage: 350V | ||||
| Output voltage: 35kV * 2 | ||||
| 3 | No partial discharge compensation reactor 40kV/20A 2 units | Rated voltage: 40kV | ||
| Rated current: 20A | ||||
| Working frequency: 50-150Hz | ||||
| Local volume: ≤ 10PC | ||||
| 4 | Non halo AC voltage divider 100kV/0.5nF 1 台 | Rated voltage: 100kV | ||
| Local volume: ≤ 10PC | ||||
| Measurement accuracy: Level 1.0 | ||||
| Frequency range: 30-300Hz | ||||
| 5 | System attachments | Anti dizziness sleeve, power cord, connecting wire, etc | ||
| 6 | One partial discharge tester | Digital two channel |
Note:
1. The appearance of the product is subject to the actual product. Technical parameters and models are subject to change without prior notice. If there is any act of theft or copying, legal responsibility will be pursued.
2. For more information on ultra-high voltage products, please enter the product center.
Product features
1. The complete set of equipment has a small local discharge capacity, which can ensure that the system's local discharge capacity is within the range of 50pC. (Special requirements can be customized)
2. Dual loop control and transmission of digital and analog control boxes.
3. The experimental process can perform real-time status self inspection and display.
4. Non partial discharge series resonant impedance is low, with complete functions such as overvoltage, overcurrent, and flashover protection, high reliability, and low requirements for on-site power supply.
5. Use fiber optic communication and sampling to isolate high and low voltage control circuits.
6. The power supply adopts 220V single-phase power supply or 380V single power supply, which is convenient for on-site power supply.
7. The experimental process can perform real-time status self inspection and display, meet national standard requirements with peak monitoring function, and can monitor high-voltage test waveforms in real time.
8. The special cooling system can ensure that the equipment can work continuously for more than 3 hours and the temperature rise is less than 45k.
9. High voltage U/T and I/T test curves can be recorded and plotted.
10. The shell is made of epoxy resin casting, and the glass fiber wrapped non corona high-voltage insulation outer cylinder and reactor part are made of dry epoxy casting, which is beautiful and reliable, suitable for the requirements of various types of cables.
Product site
Wuhan UHV has its own factory with an area of 4500 square meters and a total of more than 100 employees. The non partial discharge variable frequency series resonance is mainly used to test the insulation level of various insulation materials, insulation structures, and electrical products that can withstand power frequency voltage. It also serves as a non partial discharge power supply for power frequency tests of transformers, transformers, lightning arresters, and other test samples. Widely used in electrical manufacturing departments, power operation departments, research institutions, and higher education institutions.
Product Portfolio
Product Attachment Diagram
whole
accessory box
Photoelectric conversion controller
Output line
Data connection cable
fuse
Product detail images
whole
No partial discharge variable frequency power cabinet
No partial release incentive change
reactor
Non local discharge resistor
Kilovolt meter
No partial discharge voltage divider
reactor
Operating the host
Incentive conversion adapter
Motivation becomes detail
Motivation becomes detail
Operating the side of the host
Host panel
host screen
screen display
Host control keys
Host function keys
Pause/Start Knob
Power/power on key
fiber optic port
details
