Random good picture Not show

31. Compared with photovoltaic cell, solar dynamic power system is compact, high in efficiency and comparatively cheap in a long run.

32. These factors give the equipments of electric power system have a power fail check to fix to bring a lot of difficult, the traditional plan draws up means F hard adapt a new development.

33. Considering the characteristics of power system, association rules method is applied to the electric marketing analysis.

34. THE definition of electrical power in a nominally sinusoidal electrical power system becomes clouded when waveform distortion enters the picture.

35. In this paper, we present the design of a general data telecommunication channel for electric power system using TCP/IP protocol as an example.

36. Make it provide base of vehicle hybrid power system control strategy usefully.

37. MOA are widely used in the electric power system due to their excellent nonlinear characteristics.

38. The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.

39. Based on demand of electric power system for simulated relay protection test, SCM MCU(MSP430) is used to produce sinusoidal signal so as to control the output of simulative variables.

40. This paper presented simple, reliable, visual software for the flow calculation in electric power system.

41. With the development of modern power system the traditional electromagnetic current transformer has revealed more and more problems.

42. Design revision and supervision of electrical power system installation of Plant, Plant and Plant.

43. XIA Daozhi . Power system analysis. Beijing: China Power Press, 1995.

44. This paper with 220/110/10 kV step-down transformer substation design as an example, elaborated the power system engineering of substation part electrical design (a part of the whole process of).

45. The thesis studies and analyses the black start and restoration of frame in northwest power system.

46. Now for many power consumers it is needed to find an easy method, which is fit to analyze comparatively simple power system or harmonic filter engineering.

47. Transformers are expensive facilities in the electric power system; insulation aging, however, leads to the end of transformer service life.

48. The electrical power system, as a key sub-system of deep space prober, takes on the important task which supplies power for other sub-systems and payloads.

49. Frequency is one of the most important performance parameter of military power system.

50. ZHU Jun - wei. Power system analysis [ M ]. Beijing: China Power Press, 1995.

51. It shows that DVR will inject small zero sequence component into the power system during compensation control even if there is no zero sequence circuit. This will influence the voltage on system side.

52. A new type universal controller for power system is developed based on digital signal processor (DSP).

53. The paper studied pricing strategy research of power plant based on real-time generating cost and system marginal price prediction under the deregulated power system.

54. So,[http://sentencedict.com/power system.html] there is immediate significance to study the harmonics in power system.

55. The aircraft power system consists of photovoltaic cells, a regenerative fuel cell, a engine and propeller.

56. Therefor according to characteristics of operation units in Heilongiiang power system, a reasonable and effective repair programme is made by levelling risk method to improve power supply reliability.

57. WANG Xifan. Power system optimization and planning. Beijing: Hydraulic and Electric Power Press, 1990.

58. Power System Fault Simulation and Analysis System is a PCbased software package which includes fault simulating, data acquiring and analyzing.

59. In order to decrease the asymmetry of current and voltage of the power system, the high voltage transmission lines should be transposed in principle.

60. The zero-sequence current protection is an important means of power system ground protection.