Verified Supplier
4 Years
Shenzhen Veikong Electric Co., Ltd.
Shenzhen Veikong Electric Co., Ltd.
Manufacturer from China
Shenzhen Veikong Electric Co., Ltd.
Shenzhen Veikong Electric Co., Ltd.
| Table 1.overvoltage and undervoltage check,output voltage imbalance. | ||||||||
| No | Model | Input voltage/hz | Output current | Actual output voltage | Remark | |||
|---|---|---|---|---|---|---|---|---|
| U-W | U-V | V-W | ||||||
| 1 | VFD500 45KW | 403.7/25 | 27.2 | 203 | 203 | 203 | ||
| 402.3/50 | 27.9 | 385 | 385 | 385 | ||||
| 2 | VFD500 55KW | 403.7/25 | 27.3 | 206 | 205 | 205 | ||
| 401.3/50 | 28.9 | 388 | 388 | 388 | ||||
| 3 | VFD500 75KW | 402.1/25 | 27.8 | 207 | 207 | 207 | ||
| 401.4/50 | 391 | 391 | 391 | 391 | ||||
| 4 | VFD500 90KW | 402.8/25 | 27.7 | 206 | 206 | 206 | ||
| 402.7/50 | 29.5 | 391 | 391 | 391 | ||||
| 5 | VFD500 110KW | 402.9/25 | 27.1 | 206 | 205 | 205 | ||
| 402.7/50 | 28.8 | 389 | 389 | 389 | ||||
| 6 | VFD500 132KW | 402.7/25 | 26.6 | 204.7 | 204 | 204 | ||
| 402.7/50 | 29.5 | 387 | 387 | 387 | ||||
| Table 2.Checking the accurcy of the inverter ammeter readings adn current imbalance. | ||||||||
| MODEL | Clamb current | Average | Current on dispaly |
The difference between the clamp meter and the meter on the device(automatically calculated) |
Remark | |||
|---|---|---|---|---|---|---|---|---|
| U | V | W | ||||||
| VFD500 45KW | 94 | 94 | 94 | 94.00 | 96 | 2.13 | ||
| VFD500 55KW | 105 | 105 | 104 | 104.67 | 108 | 3.18 | ||
| VFD500 75KW | 118 | 118 | 118 | 118.00 | 122 | 3.39 | ||
| VFD500 90KW | 122 | 122 | 122 | 122.00 | 124 | 1.64 | ||
| VFD500 110KW | 126 | 126 | 126 | 126.00 | 128 | 1.59 | ||
| VFD500 132KW | 135 | 135 | 135 | 135.00 | 140 | 3.70 | ||
| Table 3.Checking overload protection. | ||||||
| Power adn voltage | Overload,% and actuation time | Remark | ||||
|---|---|---|---|---|---|---|
| 120(60)120% overload,the load must be disconnected within 60 seconds | 145(10) | 160(1) | ||||
| Protection operation time,t s / A overload | ||||||
| Model | / | / | / | |||
| VFD500 45KW | 55 | 5 | 0 | |||
| VFD500 55KW | 56 | 7 | 0 | |||
| VFD500 75KW | 55 | 9 | 0 | |||
| VFD500 90KW | 55 | 6 | 0 | |||
| VFD500 110KW | 55 | 5 | 0 | |||
| VFD500 132KW | 58 | 6 | 0 | |||
