Sinuo Testing Equipment Co. , Limited
Sinuo Testing Equipment Co., Limited
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30KW Resistive Load Bank for IEC 62040-3 UPS Test
Equipment Overview:
This electric energy load testing device is easy to operate, small in size and convenient to transport. Depending on the load capacity, multiple units can be used in parallel. The control method is divided into manual button control.
Based on the requirements of IEC 62040-3 ED 2.0 2005 Annex C, figure C.1 and C.2, we have designed the load cabinet as following parts:
A set of resistive load, the resistive load is 30KW, the rated voltage is AC220V/60HZ, at the same time meet the single-phase AC127V/60HZ power supply test, the capacity can also reach 30KW.
Technical Parameters:
| System composition | Load cabinet, resistive load, on-site data acquisition, manual load/unload control, electrical control part, heat sink and auxiliary control, etc. |
| Total discharge power | Resistive 30KW (designed according to three phase 220V/60HZ); at the same time meets 30KW single-phase 127V/60HZ (the current carrying capacity of the neutral line is the sum of the three-phase carrying capacity) |
| Resistive load binning 30KW total 6 gears | Any adjustment by combinations within 1KW-30KW power range (minimum step 1KW): 1KW, 2KW, 2KW, 5KW, 10KW, 10KW. |
| Test voltage | Three-phase AC220V/single-phase AC127V Remark: Single and three-phase load test cannot be used at the same time |
| Test frequency | 60HZ |
| Resistance tube | Each resistance element: insulation resistance above 500MΩ, withstand voltage AC2000V for 1-minute, high temperature resistance |
| Load characteristics | Resistive load |
| Contactor | China brand contactor |
| Breaker | China brand breaker |
| Heater | Wuxi Zhuxing |
| Power Factor | 1.0 |
| Load connection | Y |
| Loading accuracy | ±3%； |
| Three-phase balance | The unbalance degree is less than or equal to 3%; |
| Way of working | Continuously working |
| Power supply | AC220VAC/60HZ/three-phase four-wire system; (reserved wiring terminals) |
| Cooling method | Forced air cooling |
| Way to control | Manual button control |
| Insulation class | F |
| Detection function | Real-time display of voltage, current, power, frequency, power factor, etc. |
| Load protection | Short circuit, over current, high temperature, low air volume and fan failure protection |
| Fault alarm | There is fan failure, load high temperature alarm |
| Load cabinet dimensions | L700mm×W800mm×H1000mm (L×W×H), with pulley (height 150MM) |
| Weight | 172KG |
| Installation location | Indoor |
Power supply from test sample: If the power supply from the test sample is three phases, then all the GA, GB, GC and N terminals should be connected to test sample correspondingly (GA+GB+GC+N); if the power supply from the test sample is single phase, then one of the GA, GB, GC terminals plus N terminal should be connected to test sample correspondingly (such as GA+N terminals).
Power supply from mains: the power supply from mains should be three phases AC220V/60Hz, the power supply is for the control components of this load bank. Operator should remove the lower three wires from the lower three terminals, and wrap up them well. Then operator uses the power supply cord we’ve offered to connect to the mains (L1+L2+L3+PE). The load bank must be grounded reliably before use.