25 kW Single-Phase
Inverter for Wind & Energy Storage
The Intergrid IG-25-240 inverter uses Silicon Carbide (SiC) FET technology allowing high switching speeds while reducing switching losses to less than 1/10th of conventional IGBT technology. The inverter is designed for both wall-mounted and rack-mounted installation. The inverter uses 1200V switching devices and can operate over an input operating range of 360 to 900 Vdc. This means that it can be used with a simple rectifier input from a wind generator eliminating the need for a front-end dc-dc converter in many applications.
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Output Power |
25 kW single-phase continuous |
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Output Voltage |
120/240 Vac single-phase. 208 V option for commercial systems (rated 22 kW). |
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Output Current |
105 A ac max. |
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Output Power Factor |
Zero to 0.99, Adjustable leading and lagging. |
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Output Frequency |
US – 59 – 61 Hz with ride-through capability. 50 Hz version possible for export |
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Input Voltage |
350 – 900 Vdc |
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Input Current |
75 Adc max |
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Environmental |
NEMA 1 – rack and wall mount options |
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Mechanical |
21.5 x 17.6 x 9” (depth x width x height rack mounted) 55 x 45 x 23 cm. |
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Weight |
Approx. 75 lb (34 kg). |
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Inverter Efficiency |
Approx 99% |
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Communications |
Isolated RS485/Modbus, isolated CAN |
Three-phase versions rated 36 kW 120/208 V and 75 kW 277/480 V are also available.
The inverter topology is a standard full bridge. Each half-bridge switches at 25 kHz creating an effective switching frequency of 50 kHz. This and the efficiency of SiC devices makes the inverter significantly smaller and lighter than conventional designs.
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