Quality Control
QC PROFILE
Shenzhen VEIKONG Electric Co.,Ltd keep following ISO9001 standard to manager and supervise quality. All our products have passed CE certification and other technical approval.
Here is our Production Flow Chart:
Product quality test report:
| 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 | |||
Certifications
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Certifications
Shenzhen Veikong Electric Co., Ltd.
Tel:86-0755-89587650
Fax:86--89587650
Contact Person: Mr.Terry
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