KHC Power Technology Co.,Ltd
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20KW/40KW/60KW STS Power Module On grid and off grid switching
【Overview】 The grid-connected/off-grid switching STS module adopts seamless switching technology using static switches, supporting seamless switching between grid-connected and off-grid modes. It is designed with DSP and supports CAN/RS485 communication. This module is widely used in applications that require grid-connected/off-grid switching, such as weak power grid areas and microgrid energy storage, to ensure uninterrupted power supply to critical loads.
【Product Advantages】 Three-phase five-wire system (3W+N+PE), supporting off-grid unbalanced loads. When combined with the PCS module, it can achieve seamless switching between grid-connected and off-grid modes, ensuring uninterrupted power supply to critical loads. Module design for easy installation and maintenance. Module height is only 2U, compact structure, and high power density.
【Application Areas】 Weak power grid areas, microgrid energy storage. In applications such as weak power grid areas and microgrid energy storage, when the grid is available, power can flow bidirectionally between the battery and the grid, allowing for charging and discharging functions, peak shaving, and earning electricity price differences. When the grid experiences a power outage, the grid-connected/off-grid switching STS module switches to battery power to ensure uninterrupted power supply to the loads.
Specification
| Product name | STS Power Module On Grid And Off Grid Switching | |||
| Model No. | STS-20K | STS-40K | STS-60K | |
| Electrical parameter | ||||
|
| input |
| ||
| Input rate voltage | 380/400/415Vac | |||
| Voltage range | 304～485Vac | |||
| Rated frequency | 50Hz | |||
| Frequency range | 45～55Hz | |||
| Rated current | 31A | 62A | 93A | |
| Rated power | 20kW | 40kW | 60kW | |
| Overload capacity | 110%,Long-term overloading；125%,Overload 10 minutes | |||
| Other performances | ||||
|
Protection function |
| Available | ||
| Over-current protection
| Available | |||
| Short circuit protection | Available | |||
| Over Temp. protection | Available | |||
| Backflow Protection | Available | |||
|
Other parameter | operating temperature | -30～65℃ , >55℃ power derating | ||
| storage temperature | -40～75℃ | |||
| noise | 65dB | |||
| Dimension(W*H*D) | 440*86*480mm | |||
| G.W | 11kg | |||
| IP Grade | IP20(single module) | |||
| Cooling method | Forced air | |||