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automatic voltage stabilizer /avr 2000 kva with ISO 9001 2008
1.Sphere of application:
CNC Machining Centers SMT Printer EDM High way/railway system Medical facilities
Laser cutting machine Circuit board drilling machine
Automatic insertion machine CNC punch press
Net communication basic system Petrochemical/Oil/Power system
Broadcast/Television/Bank system Plastic Injection Molding Machines
Particularly suitable for large power fluctuations, worst power supply
environment because transient mutations voltage, and where voltage regulation is needed.
2.Component
SCR type voltage stabilizer comprises some of voltage transformer modules,
non-contact SCR conditioning module, AD sampling module, industrial MCU intelligent control module,
LCD display system, sound and light alarming system, power supply system, protection system and other components
3. Technical parameters:
| working method | Silicon controlled rectifier | |||
| AC Input | Rated voltage | 220V (can customize various voltage) | ||
| Voltage range | ±20%~±60% (Wider range can be customized) | |||
| Frequency | 35Hz~63Hz | |||
| Power factor | 0.8 | |||
| AC Output | rated voltage | 380V/220V (can customize various voltage) | ||
| Output accuracy | ±1- 5% (Adjustable) | |||
| Waveform distortion | Compared with input zero distortion | |||
| Efficiency | ≥98% | |||
| Response Time | ≤0.02S | |||
| Voltage | LED digital display | |||
| Protection | Over /low voltage | output phase voltage over 10%,cut of input and transfer to bypass phase incessantly | ||
| Overload | lectronic detection,cut -off input in 3 seconds | |||
| bypass | automatically transfer to bypass in case of failure | |||
| Overload Capability | 5 timesrated current 1 second | |||
| Noise(with 1m distance) | <45dB | |||
| Input/output connection type | Terminal | |||
| Overload capacity | 150% ( 10 s ) | |||
| Noise (1 m distance) | <45dB | |||
| Cooling system | cooling fan | |||
| Temperature | 0°C-45°C | |||
4.Voltage regulator performance contrast
Technical index |
SCR Type voltage regulator(SPZW) |
Carbon brush regulator(AVR) |
Working principle |
The use of microcomputer intelligent detection, output commands to control the controllable silicon module (SCR) of fast switching, the same frequency, phase locked through a transformer, sine wave superimposed compensation to maintain the stability of the output voltage, fast response speed, no carbon brush, no contact, no mechanical, no spark ,three-phase distribution. |
Rely on the carbon brush rack in regulating transformer on the mobile to change the compensation transformer the secondary winding voltage to maintain the stability of the output voltage. Carbon brush, a contact point, mechanical transmission. |
Features |
Three-phase regulation, no contact, no abrasion, no spark and maintenance free, Regulator speed to 0.05s can be accessed by all types of generators. |
Regular intervals maintenance, slow regulated, three-phase unified adjustment, unbalance output, Carbon brush wear, motor malfunction by jammed , coil spark.. |
Response time |
Fast, stable to the rated voltage value of the time less than 30ms, capable of suppressing input low voltage surge, immediate and effective protection of precision equipment. |
Slow (3~5s), motor adjust( mechanical) |
Parameter setting |
Display button to set the parameters, convenient, user-friendly |
The analog potentiometer adjustment , or can be set |
Service life |
Average fault-free uninterrupted work more than 100000 hours |
Carbon brush is easy to wear, motor often jammed, the average life expectancy of 8760 hours. |
waveform distortion |
No additional waveform distortion(static state) |
No additional waveform distortion(static state) |
Efficiency |
98% |
95% |
Leakage magnetic interference |
None |
None |
Grid pollution |
None |
None |
Slow starting impact |
All products have a fist voltage output function |
Conventional products do not have this feature. |
The protection response time |
Abnormal situation after 30ms protection |
Conventional products do not have this feature. |
Protection Function |
With overload, short load, short circuit, lack of phases, and automatically bypass protection function. |
With overload, short load, and manual bypass protection function. |
5. Internal Pictures
6.Certifications
7.Factory
8.Test equipment
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