the full load efficiency is more than 91%. it switches to green mode when it does a 97 %
I have no idea what the answer above means. If you are talking about a 120 Volt system it would be 41.67 Amps. How long the UPS can deliver the current with no supply voltage would also be a question and should be part of the rating of the UPS in Ampere hours or Milliampere hours.
A 10 KVA 3-phase UPS will have an input and output current that depends on the specific voltage of the system. You can calculate the current by dividing the apparent power (in this case 10 KVA) by the square root of 3 multiplied by the voltage. For example, for a 208V system, the input and output current would be approximately 28.8 amps.
A 850 VA UPS typically uses around 510 watts when operating at full load. This is because the power factor of most modern UPS systems is around 0.6.
The difference between a single and a three phase online UPS is a 3 phase can supply a 100% unbalanced load on its output without affecting its performance. A single phase cannot supply a 100% unbalanced load on the output without affecting its performance.
The limit does not depend on the actual number of PC's that can be connected to a UPS. The limit is based on the total power consumption required by the PCs and the power supply rating of the UPS device. You can add the power consumption of all the PCs based on the number of watts (or amps) listed on a label on the back or side of each PC and compare it to the maximum load specified for the UPS unit.
When running normally a UPS has a battery on float charge and there is very little 'lost' energy, I would guess 1-3% of the rated power of the equipment, so that is a power of 60-180 watts - just my guess.
- For a single phase supply @ 220 voltscurrent drawn by 5kva UPS = 22.7 amperes (at full load.)
A 10 KVA 3-phase UPS will have an input and output current that depends on the specific voltage of the system. You can calculate the current by dividing the apparent power (in this case 10 KVA) by the square root of 3 multiplied by the voltage. For example, for a 208V system, the input and output current would be approximately 28.8 amps.
Assuming single phase voltage 220 Volts AC, the maximum current would be approximately 25 amps.
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The kva rating includes the power factor of the connected load.KW * Power Factor = kva.AnswerThe above answer is incorrect, as it's actually kV.A x power factor = kW.The answer is straightforward, the output of the UPS is the product of its rated output voltage and its rated output current, and the product of voltage and current is 'apparent power', expressed in volt amperes.
The kva rating includes the power factor of the connected load.KW * Power Factor = kva.AnswerThe above answer is incorrect, as it's actually kV.A x power factor = kW.The answer is straightforward, the output of the UPS is the product of its rated output voltage and its rated output current, and the product of voltage and current is 'apparent power', expressed in volt amperes.
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The number of computers a 10 kVA UPS can support depends on the power consumption of each computer. On average, a standard desktop computer with monitor uses about 300–400 watts.The number of computers a 10 kVA UPS can support depends on the power consumption of each computer. On average, a standard desktop computer with monitor uses about 300–400 watts. To estimate: 10 kVA UPS ≈ 8000 watts (assuming 0.8 power factor) If each computer uses 400 watts: 8000 ÷ 400 = 20 computers So, a 10 kVA UPS can support around 18 to 20 standard computers for a limited time, depending on the load, battery condition, and runtime required.
APC recommends a 1500VA for this load.
You have a 3-phase UPS consuming 60kVA at 400V, So, to determine the current per phase, apply the following formula: I= S / (U x sqrt[3]) where S is apparent power (in VA) U is line voltage (in V) I is current per phase (in A) thus, this gives I= 60 000/ (400 x sqrt[3]) I=86.6 amps
50 kva ups battery back up
A 850 VA UPS typically uses around 510 watts when operating at full load. This is because the power factor of most modern UPS systems is around 0.6.