| Customization: | Available |
|---|---|
| Certification: | ISO9001, CCC, Type Test |
| Protection: | Corrosion Resistance |
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Sanhe LDVR is an inverter based system that protects sensitive industrial and commercial loads from voltage disturbances. It is optimally designed to provide equipment immunity from power quality events on the Alternative current system .
Feature
No energy storage needed
By-pass working mode
Electrical isolation for overhauling and maintenance
Voltage sags and swell correction, even with regenerative loads
Rugged overload capability
Fault log and voltage event data logging
Ethernet/RS485 connectivity
Modular construction
User-friendly experience design
Product Description
Voltage sags is quite popular in the AC supply system, specially caused by large load changes,motor, compressor, cap.bank starting etc. The short circuit faults in the distribution and transmission grid or at a neighbouring load, which are caused by lightning, storms or overhead lines problem, physical damage to the grid etc. bring voltage sags. Voltage sags impact the peoples life and industrial production. Sanhe LDVR is a good solution to correct voltage sag and swell.
Diagram
Model Selection
| SystemParameters | |||
| Rated voltage(line) |
6kV/12kV/24kV |
||
| Rated frequency | 50Hz/60Hz, ±5Hz | ||
| Full response(From detection, output compensation to voltage restore) | < 3ms | ||
| Compensation ability | Voltage input IN |
Voltage output OUT |
Time of duration |
| 3P sagging to 50%*Un |
100% |
30s |
|
| 2P sagging to 40%*Un |
100% |
30s |
|
| 1P sagging to 30%*Un |
95% | 30s |
|
| 1P sagging to 0%*Un |
1P 60%*Un 2P 90%*Un |
30s |
|
| 3P (80%~120%)*Un |
100% | Continuous |
|
| Voltage unbalance | < 3% |
||
| Frequency tracking fault |
< ±0.2Hz |
||
| Output voltage harmonic be connected in parallel |
< 2.5% |
||
| Operation Loss |
< 2% |
||
| Voltage compensation Fault |
< 1% |
||
| Voltage loss |
< 2% |
||
| Noise | <68dB | ||
| Installation type | Cabinet, indoor/ outdoor | ||
| Environmental parameters | |||
| Altitude | ≤2000m , 2000m ~ 4000m derating | ||
| Operating temperature | -10ºC~40ºC | ||
| Relative humidity | 5%RH-95%RH, no condensation | ||
Standard
GB/T 18481 "Power Quality Temporary Overvoltage and Transient Overvoltage"
GB/T 30137 "Power Quality Voltage Dips and Short
Interruptions"
DL/T 1194 "Power Quality Terminology"
IEC 61000-6-2
IEC 61000-4-34
Application Fields:
Precision manufacturing(Robots production)
Hospital (MRI, PET, CT, e.g.)
Non-stop processes (Fiber production)
Buildings (UV-lamps, microwaves,Compressors )
Universities (Supercomputers, R&D TV, audio, universities, e.g.)
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