1. The hospital has an auxiliary power system in case of blackout.

2. A back-up power system at the coach station did operate but only lasted three hours.

3. There are also plans for a major tidal power system on the Severn Estuary and research is continuing into wave power systems.

4. The second feature, the power system, is not so mysterious.

5. Adaptive reclose can remarkably enhance power system reliability.

6. Power flow computing is a basic power system analysis.

7. Power System Voltage Stability is a challengeable problem .

8. Electrical power system and automation ( faculty ).

9. In the power system failure transient period of time.

10. Polytechnic college , majoring in power system automation.

11. With the deepening reform of the power system, there has been the trend of investment diversification of the power.

12. Power System Simulation is based on the needs of the market for design, sub-stations operating in unattended mode.

13. The composition of building combined cooling, heating and power system is discussed, and the system advantages are analyzed.

14. When harmonic sources exist in power system, parallel resonance occurs due to the interaction between shunt capacitor bank and system inductance.

15. Combined with methanol's indirect use in power system, methanol and dimethyl-ether steam reforming use gas turbine exhaust gas to constitute the chemically recuperative gas turbine cycle.

16. They will tie the generating station in with the power system.

17. The planners had not provided for a failure of the power system.

18. To my mind, the most serious challenge is to minimize the cost of establishing the smallest possible profit-making power system.

19. There was a building_upon and repellent thinking space between state power system and elite clerisy in the modernistic wore.

20. The superconductive electrical equipment is an important part of superconductive electric power system and the simulation analysis is one of the main means in equipment development.

21. In order to overcome the deficiency of the tradition power, we designed the"main-subordinate"capacitance charging power system based on IGBT chopper circuit and LC filter circuit.

22. Electric switching operation sheet is an important measure to guarantee power system operates securely and reliably.

23. With the expansion of power grid and the increase of the transmission voltage grade, the status of relay protection in power system is becoming more and more important.

24. This paper presents series-capacitance compensation method that can reduce the over-reactance of imitating transformer to meet equivalent reactance in power system imitating experiment.

25. This paper presents the difference of synchronous equilibrium and stable equilibrium of post fault power system.

26. The problem of switching noise is analyzed in detail and analog filter between APF and power system is designed according to the equivalent circuit of compensation part.

27. This research result wealthily shows computer technology, communication technology[Sentencedict], network technology as well as their application in automation of electric power system.

28. But the invasion of lightning surge may lead its failure due to its low voltage withstand level which may affect the normal service power system.

29. This method has been put into use in the middle and long term operation planning of the Three Gorges Power System.

30. AIP ( Air Independent Propulsion System ) system provides effective solutions for power system of conventional submarine.

1. They will tie the generating station in with the power system.

2. The hospital has an auxiliary power system in case of blackout.

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:///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.

61. Load Frequency Control (LFC) of the multi-area power system is an important measure for guaranteeing the electric energy qualities and implementing the secure and economic dispatch.

62. Lack of damping which results in a build-up of oscillations in the power system, and may or may not lead to loss of synchronism.

63. This dissertation presents a feasible scheme for application with high - performance DSP in power system.

64. A short-term load forecasting technique for power system based on adaptive optimal fuzzy logic system is presented.

65. This paper studies power system short-term operational reliability evaluation considering weather forecast.

66. Sudden short - circuit of synchronous machine is the most serious fault in electric power system.

67. Basing on the signal space model, the harmonics in power system was detected by combining the subspace rotational invariance and least squares method.

68. Shunt Compensation is an important measure in improvement of Electric Power System Stability.

69. Presents a new approach for limiting harmonic and improves the reactive compensation using LC filter in power system. The simulation experiments valid...

70. To effectively solve the unit optimal commitment of power system, an improved parthenogenetic algorithm (IPGA) is presented.

71. In recent years, the electronic current transducer based on the air core coil has become the hot research spots in the power system.

72. With reform of the electric power system, the power generation enterprises pay more attention to efficiency of boiler burning.

73. Through analysis on the ferromagnetic resonance phenomenon in auxiliary power system of the nuclear power station, the possibility of the circuit resonance of the generator voltage is discussed.

74. Pattern analysis of power system is a new analyzing method which is developed with the application of pattern recognition to power system.

75. Fault location is a problem to solve in power system.

76. Power system accident cause the interruption of power service and bring great damages to the society.

77. The zero-sequence measurement current's distribution in the automatic arc-suppressing coil earthed power system is analyzed.

78. In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.

79. This algorithm and ideas have preferable utility value in three zone setting computation of protections in electric power system.

80. As an important technical means of frequency control of the power system, PFR (Primary Frequency Regulation) is of great significance to the stability of the frequency.

81. Combined cooling heating and power system (CCHP), as a kind of distributed energy system, is causing great concerns.

82. The study shows that the reactive power service provided by power plant should be compensated for the safe and stable operation of power system.

83. Traditional Fourier analysis and Wavelet analysis are used widely in various fields and power system control.

84. Its object function is made to reducing network loss of urban power system network.

85. Power Control Unit (PCU) is the key part of aircraft Electrical Power System (EPS).

86. The isolation for a giant super - high - voltage transformer is a paramountly important problem in the power system.

87. In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.

88. The paper puts forward a new method based on Local Cosine Transform (LCT) for measuring the time varying harmonics in power system.

89. The structure and functions of voltage static stability analysis software for large power system is presented.

90. The power system fault recorder data provides the important basis for fault analysis and protective operating criterion.

91. The magnetic type PT is the primary equipment for measuring the voltages in power system.

92. In this paper, the effect of damper windings of salient-pole synchronous generator on transients of the recloser in power system is considered by numerical calculation method.

93. Presents the application of lithium-bromide absorption refrigerating and heating machine with flue gas heat recovery in combined cooling heating and power system.

94. The simulation cases with the power system harmonic analysis were conducted.

95. The security and stability of power system and the economic factors should be considered before breaking the electromagnetic loop circuit.

96. And looking at other countries, most of the Western system reform, it is always accompanied by Trisection of Administration Power system reform at the same time.

97. E language is a data model descriptive language for the power system developed by National Electric Power Dispatching and Communication Center.

98. An approach of power system fault diagnostic expert system based on forward and backward reasoning is presented.

99. Arc furnace is a typical unbalanced impact load. It pours a great deal of negative sequence component to power system, so measures shou ld be taken to compensate the arc furnace load.

100. By using power system block set(PSB) of MATLAB, a simulation model applied to analyze the saturation characteristics of transformer is built.

101. Fault location equipment is very important for safety and economical operation of power system.

102. Contactless Mobile Power Supply (CMPS) system is a novel power supply system which can realize power transfer by magnetic couple between static power system and mobile electric facilities.

103. The time-varying weather conditions and electrical conditions have significant impacts on power system short-term operational reliability.

104. The calculation results can be taken as the judging basis for the abundance of motor critical instability and critical voltage instability in power system.

105. Combined it with substation integrated automation system, the substation integrated automation simulation and training system has the wide applicative prospect in the power system of our country.

106. The actual need of power system and the advancement of modern technologies greatly promote the development of fault current limiting technology, with some new topologies appearing continuously.

107. The 10 kV network neutral grounding by nonlinear resistance as a new neutral grounding mode for power system is brought forward.

108. Aiming at the existing problem in harmonics measurement of power system, the paper(presented) a collecting method based on frequency multiplication phase-locked.

109. Therefore, evaluating and forecasting the operational reliability is becoming a hot topic of research on power system reliability fields.

110. To optimize the operation of power system, it is necessary to establish security constrained economic dispatch(SCED) and introduce locational marginal pricing(LMP)method.

111. It is the basis of power system harmonic analysis to model power system components harmonic frequencies.

112. This paper suggests one logical expression for schematic diagram of power system, and also optimum expression if any limiting conditions of minimum term are not to be applied repeatedly.

113. In power system hybrid simulation, the mutual influence between the electromechanical transient process and electromagnetic transient process can be synthetically considered.

114. The incorrect reclose of line protective devices in electric power system will result in personal injuries and system accidents.

115. This paper analyses the rail potential and stray current in metro DC traction power system.

116. This includes the design and modeling of virtually any electrical power system.

117. Meanwhile,[] the wave can disturb many other electric and communication equipment out of the power system.

118. This paper presents the current situation of the power system communication network management and forecasts the development trend of telecommunications network management at home and abroad.

119. This paper is the second part of the papers titled"Key Technology of Intelligent Tutoring System for Employees in Power System".

120. This paper designed system of dispatching automated and power flow analysis on power system.

121. A general description of the development of harmonic suppression in power system is given in this paper. The principle and structure of APF are firstly expatiated.

122. Presents the thermodynamic principle of an ideal combined cooling, heating and power system and indicates its huge potential in energy saving.

123. Feeder automation (FA) is one of main functions of distribution power system automation, so it′s very important to implement an integrated and applicable technical strategy.

124. In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.

125. The self-adaptive reclosure, which is aimed to distinguish the transient fault and the permanent fault, can reduce the power loss caused by faults and enhance the stability of power system.

126. The actual single-machine model is proposed by power system automatic load-shedding technical scheme.

127. The results may provide practical reference for power system operation.

128. Therefore it is necessity to carry on the analysis to the electrical power system of electromagnetism transition condition.

129. TRACING OF SINGULARITY INDUCED BIFURCATION IN POWER SYSTEM DIFFERENTIAL ALGEBRAIC EQUATION MODEL AND ITS THEORETICAL ANALYSIS.

130. This paper describes the requirements of excitation system ceiling voltage(K_F) and voltage response ratio(V) of large generator in domestic electric power system.

131. Finally, a diagnosis case for spacecraft power system is exemplified combining the above with a powerful expert system development tool G2.

132. Power system graphic editor has already become an indispensable part in the application software of power system.

133. Because of the biggish inertia of boiler, the disturbance of combustion ratio cannot invoke power system low frequency oscillation of resonance mechanism.

134. It can diagnose single fault, multiple faults and single sensor fault of power system, and at the same time it has a high reasoning speed and accuracy.

135. Power network structure knowledge is the base of expert system used in power system. The will of knowledge representation affect the work efficiency and currency of expert system.

136. In this paper the complexity of voltage control in power system is discussed through the analysis of relationship between power system balanced states of voltage and reactive power.

137. The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.

138. The voltage vector diagram is a very useful method that can make a qualitative analysis of the steady values of power system in normal and fault conditions.

139. The tripping and closing coil of circuit breaker frequently burns out in the process of power system operation.

140. It is an insecure factor for power system operation short circuit currents exceed breakers interrupting capabilities.

141. The pump house is an important infrastructure for thermal power plants. It directly affects the reliability of power system.

142. The mechanism of power system damping control is revealed through the equal area criterion in a single-machine infinite-bus power system.

143. Considering the development of electric power system turns to high-tension and great capability, keeping the electric equipments in working order becomes more and more important.

144. The reliability is an important component part of research fields in power system.

145. The higher the power system automatic level, the more telemetering and remote controlling information need to be transmit accurately .

146. The paper puts forward load-shedding model based on power flow tracing (LMBOPFT) in bulk power system reliability assessment.

147. Good Knowledge on HVAC, Compressed air system, factory electric power system.

148. In addition, the self-organized criticality of power system can be preliminarily revealed from the viewpoint of the ratio of network transfer capability and total load demand.

149. This Paper discusses the random error, the burst error, and the bit error rate of the telecontrol system and its operation demand by the electric power system.

150. Thus, PSCAD ? is becoming a true Power System Computer - Aided Design tool for a variety of industry applications.

151. This paper researches on the static stability of the AC/DC power system.

152. Although Trisection of Administration Power system is still an issue, it is still being verified with the practice.

153. In addition, the macro-scale of self-organized criticality of the power system can be revealed from the viewpoint of the total load demand vs. the total network transfer capability.

154. In this paper detailed studies on the topics of the dynamic voltage stability of a multimachine power system are conducted via the state space method.

155. In order to improve power supply reliability and economy, the modern power system were powered by a transformer on-load tap transformer parallel operation of technology and techniques.

156. This paper presents a design of distributed supervisor control system of communication power system, including the hardware structure and the design of software.

157. A theory and algorithm are presented for the power system steady state stability probabilistic analysis in this paper .

158. Neutral indirect grounded system (called low-current grounding power system as well) is widely used in the medium and low voltage network in our country.

159. An automatic OFF circuit is designed according to the power system fault recoder and analyser.

160. The quantity of power system voltage is much more relate with distribution of power system reactive load.

161. Contract market is an important part of electricity market. It reduces the risks of market participants and guarantees the long term safety of power system operation.

162. The problem of robust overlapping decentralized control for a class of multi-area power system with loop structure was discussed.

163. The clock signal provided by Global Positioning System GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.

164. Also the capacitance divider has the possibility of resonance with inductance component in the system, which can make a heavy over-voltage and endanger the running of equipments and power system.

165. As electric power system reform is deepened, the content of electric power intangible assets will be ceaseless and patulous.

166. We add voltage harmonic filter to reduce the harm which voltage harmonic do to power system.

167. The numerical simulation for proposed secondary voltage control system on classical New England power system is executed, and simulation results show that the proposed design scheme is effective.

168. Confirming the power system transmission capability has good effect on restricting the actions of the trade and assuring the security of the grid.

169. Therefore, the layout of spinning reserve scheme in the environment of electricity market should pay attention to both the reliability and the economy in power system operation.

170. A pulsed power system of an accelerator module for the Linear Induction Accelerator is presented.

171. Least-square technique is used to approximate the spectrum of multimachine power system in this paper.

172. A nonlinear stability-retained map is proposed to describe the dynamics of multi-machine power system with the motion of a point unit with one degree of freedom.

173. A proper transmission network structure is the foundation of a reliable and economical power system.

174. In application of possible fault components set and fault components connection diagram, the model can quickly adapt to variations of power system operating modes.

174. try its best to collect and make good sentences.

175. Objective:To compare the advantages and disadvantages between power system and semiconductor laser in partial inferior turbinectomy.

176. Advanced DC - DC power supply circuits, the original vehicle head lamps power system optimization.

177. The faulty waveform recording in power system is important for the analysis of power network fault, the evaluation of protection's operation characteristic, fault location, and so on.

178. Installation filter in power system to control harmonic pollution could effectively reduce the system loss and avoid harmonic resonance or current amplification.

179. The frequency variation of electrical power system would have effect the veracity of electric parameter evaluation, and possibility effect characteristic of automatic equipment.

180. This kind of high voltage generator can be connected directly to power system without transformer, it is a technical revolution in the history of electric machine.

181. Traditional testing methods for wave trap coil are not satisfying in the electric power system. This paper puts forward a new automatic testing system for high frequency wave trap coil.

182. The results showed that the neural network forecasting model based on L-M algorithm has higher prediction accuracy and a high value in the rural power system short-term load forecasting.

183. The utility model relates to an iron core reactor of new structure used for reactive-load compensation of the electrical power system.

184. The statistical pattern recognition approach for on-line transient stability assessment of power system had met with many problems such as large off-line computation and recognition accuration, etc.

185. Large screen display systems have been widely in power system control centers.

186. Load forecast is the foundation of power system operating dependably and economically.

187. Electric vehicle ( EV ) chargers are highly linear power system load.

188. The calculation and test methods of voltage adjustment ratio for generator were introduced, and the influence of voltage adjustment ratio for generator on power system stability was analyzed.

189. A lot of technique and theory of fault diagnosis in the power system have been proposed, such as expert system, artificial nerve net, Petri Net and Fuzzy theory.

190. Now, the vacuum breaker is used in power system as the major installation.

191. Power system equipment and loads which are more sensitive to harmonics.

192. Secondary Voltage Control is a new way of voltage control, firstly the power system is divided into many control areas whose electric distance is remote.

193. Based on this theory, a self-regulating AVR regulator is designed for the synchronous generator to be synchronized with the existed power system very quickly.

194. In the paper, the OOA model and design thoughts of the synthesis management system of power system are introduced, and the functions and features of graphic system are introduced.

195. The method has been applied to the decentralized excitation control of a multimachine power system, the results are satisfactory.

196. It is important to study on-line safety analysing and risk evaluating of the electric power system, and we should build safety and banausic power marketing technic supporting system.

197. This design uses the PSCAD software establishing electrical power system model, including: Transformer model, synchronous generator model, transmission line model, load model and so on.

198. This method enables setting optimal reclosing time on line corresponding to the up-to date power system operating conditions and fault states for improving power system transient stability.

199. This case - based reasoning ( CBR ) system for power system restoration has a hierarchical structure.

200. It can diagnose the single fault, multiple faults and the single sensor fault of the power system, and in the same time it has a high reasoning speed and accuracy.

201. Electromagnetic voltage transformer and capacitance divider are usually used to get voltage signal in power system.

202. The research is illuminating for the application of synergetic theory in power system.

203. Because of some reasons, the determinate value of initial parameter of power system, such as load, cannot be decided, and only their probability distribution can often be gotten.