Diesel
UPS 1000kVA+ : technical benefits
Technical Requirement |
KST Rotabloc |
Euro-diesel |
Piller |
Hitec |
| Input ‘bolted’ short circuit withstand - do output volts remain with CEBMA curve. | yes |
no |
no |
no |
| Input ‘bolted’ short circuit withstand - do output volts remain within Static Switch spec. | yes |
no |
no |
no |
| Output short circuit withstand - does output clear rated breaker and stays in spec. | yes |
yes |
Fuses only |
no |
| 100% Load step regulation - what output voltage is maintained during 100% load step. | Output volts stays within +/-5% |
+/-10% |
+/-10% |
+/-10% |
| 50% load step regulation - what output voltage is maintained during 50% load step. | Output volts stays within +/-3% |
+/-5% |
+/-5% |
+/-5% |
| Standard components - does system utilise standard components throughout design. | Uses standard bearings, windings and
components throughout |
Special flywheel |
Special bearings & power electronic
circuits |
Special flywheel |
| Ease of maintenance - are special maintenance regimes required. | Simple maintenance whilst in operation |
10 hrs off -line |
8 hrs off -line |
16 hrs off- line |
| Simple installation - how long does the average installation take for a Diesel UPS system | Simple installation (typical 6 days per module) |
15 days per module |
15 days per module |
20 days per module |
| Bearing changes | One per 60,000 hrs (with guarantees) |
40,000hr |
40,000hr |
40,000hr |