power inverter with charger 100kva

Advantages of three-phase over single-phase electricity

1) From the point of view of use, the voltage of three-phase power is higher, which can drive high-power electrical appliances, for example, three-phase power can drive squirrel cage induction motor, this click structure is simple, convenient maintenance and manufacturing, durable, has important uses in industry, so industrial electricity is generally three-phase power. Secondly, the use of three-phase power will have more voltage choice, #inverter solar 3 phase       because three-phase power can be connected to single-phase power, and single-phase power can not be connected to three-phase power.

2) from the security perspective, #50kva solar inverter        three-phase power can provide a better voltage grade, relatively safe, assuming that the voltage is 380 v, if is single phase is 380 v is a thread, a thread is 0 v, but if is three phase, two wire is 220 v, reduced voltage grade, in insulation, wire diameter and a series of security issues have advantage.

3) From the perspective of physics, the single-phase instantaneous power curve is fluctuating and not stable enough, while the three-phase motor instantaneous power is a straight line, equivalent to the average power, which is relatively stable. Moreover, because the three phases of the three phase potential are 123 degrees different from each other, for this reason, 4 more clearly can transmit three times the single-phase power.

During the period from t3 to t4, the phase a current is positive, and there are a total of the following working modes, mode 4 to mode 12, as shown in Figure 6 to Figure 14. Through analysis, it can be seen that when the trigger pulse of t1 is high, the voltage at point a is always ud/2. On the contrary, when the trigger pulse of t4 is high, the voltage at point a is -ud /2. The same conclusion can be reached in the time period from t4 to t5. It can be seen that when the three-phase inverter circuit has an inductive load, its output voltage is not affected by the load.

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