Power Inverter DC11-15V AC100-120V, AC220V
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- Q: 800KVA transformer itself is the loss of how much?
- S9 type oil change 800kVA Calculation results: no-load loss 1400 watts load load loss of 7500 watts. Calculation formula of transformer loss (1) active loss: ΔP = P0 + KTβ2PK ------- (1) (2) Reactive power loss: ΔQ = Q0 + KTβ2QK ------- (2) (3) Integrated power loss: ΔPZ = ΔP + KQΔQ ---- (3) Q0 ≈ I0% SN, QK ≈UK% SN Where: Q0 - no load reactive power loss (kvar) P0 - No load loss (kW) PK - rated load loss (kW) SN - transformer rated capacity (kVA) I0% - transformer no-load current percentage. UK% - short circuit voltage percentage Β - average load factor KT - load fluctuation loss coefficient QK - rated load leakage power (kvar) KQ - Reactive power equivalent (kW / kvar) Selection of the parameters of the above formula: (1) take KT = 1.05; (2) The reactive power equivalent KQ = 0.1kW / kvar when the 6kV ~ 10kV step-down transformer of the urban power grid and industrial enterprise power grid adopts the minimum load, (3) the average load factor of the transformer, for agricultural transformer desirable β = 20%; for industrial enterprises, the implementation of three shifts, desirable β = 75%; (4) transformer operating hours T = 8760h, the maximum load loss hours: t = 5500h. (5) transformer no-load loss P0, rated load loss PK, I0%, UK%, see the transformer signs shown.
- Q: I don't know how this conversation started today, but a couple of my friends asked me who would win in a battle Voltron or the Transformers. They did not specify which version of Voltron or which group of transformers. Give me a scenario and tell me what you think!
- Voltron would kick ther azzesTransformers would not kill Voltron . Voltron on the other hand would form blazing sword and hack them into spare partsWinner Voltron. nuff said.
- Q: 315KVA transformer high-voltage side need to use the specifications of the high-voltage cable
- 315KVA transformer high-voltage cable 50 square how much, but in accordance with the local power supply from the power supply program to set, not how much is their own
- Q: I haven't seen Dark of the Moon, but I recently got OBSESSED with Transformers. Please don't spoil anything, but I'm curious, how do they incorporate the new chick, Rosie, Huntington-Whitely, in the movie? Do they ever explain where Micheala went(Btw- I KNOW what happened to Megan in real life.that's not what im asking lol) So yeah, thanks!Bq: SAY OPTIMUS PRIME IF YOUR A GIRL TRANSFORMER FAN:)Bq: Do MOST girls like Transformers, or is it mostly guys who like it?
- The movie explains that Micheala dumped Sam. Harley is Sam's new girlfriend. BQ: OPTIMUS PRIME! BQ: I know plenty of girls who like Transformers!
- Q: Transformers of the three transformations are the three?
- Transformer's three transformations are: The transformer can change the voltage. Transformers can change current. Such as current transformers. Transformers can change the impedance. Such as impedance converter. Transformer is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. Transformers can be divided into: power transformers and special transformers (electric furnace variable, rectifier, power frequency test transformers, voltage regulators, mine transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, Transformers, reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
- Q: I got stuck in a problem while solving the previous exam question for my courseTwo transformers with unequal turn ratio and unequal ratings are connected in parallel and have the same secondary voltage. How will the load be distributed between them? Hence find the circulating current.I know how to find the circulating current when the secondary voltages are different. But how can there be a circulating current if the secondary voltage is same?And I know about the load distribution being inversely proportional to the line impedance of the transformers, but what will be the change taking circulating current into account?
- That you may put both the transformers on the same line on their essential aspects however they must have different hundreds at their out places. You ought to use a small load on a 200kva and better load on 500kva. For higher guidance are attempting reffering an electrical engineer near you. I am also an electrical engineer.
- Q: I have a transformer with serial number T.K.K EHT 66001 S-2. I confused with input (primary) wires. it has 5 wires (white red brown yellow and blue). which wires is used for 220 vac?? please help.
- It looks like you MAY have an auto-transformer, ie only one winding. Off hand, I would say the white is supply live and blue the common return. If you measure the DC resistance of White to all the others and record reading. Then red to all others as above and same with brown, yellow and blue. The pair with highest reading Should be the primary, it doesn't really matter which is live or neutral, as long as you take the return of the secondary to the neutral. The other 3 wires will give you 3 different voltages with respect to neutral, however the EHT in the serial No. May indicate Extra High Voltage, which is not 220v. by any stretch of the imagination. Is there no information whatsoever on the transformer itself? Clear as MUD I know, but I'm not good at explaining things. Your meter should be at the lowest range, as this is DC resistance you are measuring, not AC.
- Q: Transformer cooling method AN stands for what
- The cooling mode of the transformer is determined by the cooling medium and the circulation method. Since the oil-immersed transformer is also divided into the internal cooling mode of the tank and the external cooling mode of the tank, the cooling mode of the oil-immersed transformer is represented by four letters. ? The first letter: the cooling medium in contact with the winding. O -------- mineral oil or ignition of more than 300 ℃ of insulating liquid; K -------- Insulation liquid with ignition point greater than 300 ℃; L -------- ignition can not be measured insulation liquid; ? The second letter: the way the internal cooling medium is circulated. N -------- The oil flow flowing through the cooling equipment and the windings is a natural thermal convection cycle; F -------- The oil flow in the cooling equipment is forced to circulate and the oil flow flowing through the windings is the thermal convection cycle; D -------- The oil flow in the cooling equipment is forced to circulate, at least in the main winding oil flow is forced to guide the cycle; ? Third letter: external cooling medium. A -------- air; W -------- water; ? The fourth letter: the way the external cooling medium is circulated. N -------- natural convection; F -------- Forced circulation (fan, pump, etc.). ? Therefore, the transformer cooling method AN represents the air convection cooling method.
- Q: 1. 6volts going in a 12:220v transformeris the output 220v or less, formulas, computations 2. 12v going in 12:220v transformer (1 amp 220VA)core loss, copper loss, eddy current loss etc etc3. 24v going in a 12:220v transformer. is the 220v, lost of power in the input,
- If the enter is 24 volts, the output would be 440 volts, yet do no longer try this via fact which you will likely dissipate the transformer. you could word any voltage below the rated enter and the output would be proportionately decrease. in case you word 6 volts, you will get a hundred and ten volts out. i wish this enables.
- Q: I have a small question concerning flyback transformers. I have run into some confusing problems when i tried testing the flyback using the High voltage power supply project
- The frequency of an ac power supply is only 60 hz. That's way too low for a flyback. The resistance of a transformer depends on the frequency. At 60Hz a flyback transformer acts like a short circuit. It would draw a lot of power, might damage the power supply and nearly nothing would come out the other side of the transformer.
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Power Inverter DC11-15V AC100-120V, AC220V
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 10000pcs pc/month
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Quality Product, Order Online Tracking, Timely Delivery
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