UPS Power and Raw Power - CR4 Discussion Thread - GlobalSpec
2010年3月17日 · Conversely, in addition to being "clean" of spikes or harmonics, UPS power is there (at least for a while) if and when the RAW power is not available without any disruption in …
UPS Supply and Raw Power - CR4 Discussion Thread
2011年10月13日 · Care is to be taken so that when the contactor for UPS power is energised , its auxilary contact ( NC ) should prevent the RAW power contactor from energising . When the …
UPS Transformer ?!? Specifications - Power Supply?
2011年7月4日 · The RV has a converter which makes a stable 12 power supply but is a lousy charger. The heart of the converter is a ferroresonant transformer. I will admit that I do not …
What's the Current at the Input for a UPS? - GlobalSpec
2009年4月6日 · If, UPS has a 125A main MCCB, we must supply power with at least 125A MCCB. Supply cable must have ampacity to meet the125A MCCB. This is true even the load …
Missing Neutral in 3 Ph Supply to UPS - CR4 Discussion Thread
2013年8月19日 · - One 3 Ph UPS - 2 Sources of Power, One 3 phase 3 wire and other 3 phase 4 wire. Best option for him is to use 3 Phase 4 wire source normally. If 3 phase 4 wire source …
UPS Calculation and Diversity Factor - CR4 Discussion Thread
2011年5月29日 · When a UPS powers equipment which presents a reactive load with a low power factor (e.g., a computer), neither limit may safely be exceeded. Kilowatt. The kilowatt is equal …
Subwoofer Near UPS - CR4 Discussion Thread
2009年11月18日 · Will it affect my UPS, i mean in terms of more noise in electrical current so that can affect my Power Supply or perhaps affecting in transfer time (if my UPS is offline type) so …
Emergency Escape Lighting - CR4 Discussion Thread - GlobalSpec
2024年8月30日 · The 2x50% configuration sounds like 2nr UPS supplying the lighting load and if one fails, half the lights go out or all the lights operate for half the time that both would supply …
PLC Going to Offline Mode - CR4 Discussion Thread - GlobalSpec
2012年4月8日 · The PLC panel is fed from a UPS power supply and we have observed that it is working fine and there is no visible lag or dip in switching when there is a power change over. …
Using a 60 Hz Power Supply with 50 Hz Equipment
2008年8月21日 · Re: Power supply designed for equpment is 60 HZ can we use same in 50 HZ supply 08/21/2008 5:59 AM We have the supply LT voltage 960 volt 50 Hz and 6.6 kv for HT …