three-phase造句
1. Three-phase asynchronous drives and regenerative braking are expected to cut energy consumption by 40 %.
2. Dimensions of three-phase isolation transformer 160VA-16KVA has become standardized.
3. The invention relates to a three-phase static converter, which is applied to medium power and comprises a main circuit and a control circuit.
4. Finally, according experimental result, designed the three-phase current balance loop. The experimental results shows that the current balance is significant improved.
5. A three-phase current method is presented to measure resistive current, based on which an electrified measuring instrument for MOA is developed.
6. Same phase inverse parallel connection's three-phase bridge thyristor rectifier assembly was researched mainly the application in the chlorine-alkali industry.
7. When switching AC inductive load, like switch on single-phase(three-phase)electricmachine, the output terminal of relay may appear transient voltage that is two times of peak value of power supply.
8. The errorless of three-phase voltage and current is less than 0.5 percent.
9. This paper theoretically analyzed the three-phase inverter with LCL filter, and established the state-space mathematic model of the inverter.
10. Low voltage-high current AC/DC converter using three-phase uncontrolled rectifier needs a medium filter to remove pulsating voltage. Usually the filter is heavy and huge.
11. The three-phase harmonic power flow is directly solved by Gaussian elimination method with linear nodal voltage equation, thus there exists no convergence problem.
12. A new three-phase current source rectifier(CSR) topology and its multi-bridge parallel technique are studied in the paper.
13. The applicability of the proposed method in three-phase system is analyzed.
14. Three-phase current unit for wet and dry vacuuming in industrial locations.
15. The three-phase unbalanced load of low voltage area will do harm to the electrical equipment and will increase the technical circuit loss.
16. First of all, current detection method for three-phase four-wire system is researched.
17. Each unit will have two powered driving cars equipped with three-phase motors and a centre trailer.
18. There are some things that you can do to help yourself get through the three-phase transition process.
19. Viewed in this light , it will be found that the analysis of three-phase circuit is little more difficult than that of single-phase circuits.
20. The protection functions include three-section over-current protection, inverse-time over-current protection, three-phase one-shot no-voltage auto-recloser and so on.
21. This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.
22. Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
23. It can be concluded from the result that the real waveform of the three-phase current and voltage can be reverted to the host by the data sampled by the sampler.
24. Furthermore the experiments were completed when the circuit was connected with a three-phase invertor.
25. Trigger pulse sent by the microcontroller to control the three-phase rectifier bridge rectifier.
26. At last, the influence of modulation index and zero-vector distribution variable on the modulation signal and output voltage harmonic characteristics of the three-phase inverter is investigated.
27. The article introduces the direct power control (DPC) principle and constitution for three-phase boost- type PWM rectifiers and analyses switching table.
28. The chaos hydrodynamic behavior of flow in a gas-liquid-solid three-phase fluidized bed was studied by deterministic chaos analysis of time series data of pressure fluctuations.
29. Planar windings manufactured by LIGA technology and silicon micromachine technology are connected with three-phase wye connection.
30. The theory analysis and experiment result show that the method adapts to the active power filter in three-phase four-wire system.
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