调压变压器
- 网络OLTC;powerstat;variable transformer
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基于电力电子技术有载调压变压器的无冲击调压方法
Non-inrush Voltage Regulating Method for OLTC Transformer Based on Power Electronic Technology
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提出了利用可编程赋时Petri网(PTPN)建立混杂电力系统模型的方法,分析了有载调压变压器(OLTC)的离散调节与连续动态负荷的相互作用。
This paper proposes a method of programmable timed Petri nets ( PTPN ) for hybrid power systems modelling , and analyzes the interactions between discrete change of OLTC and continuous load dynamics .
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通过MATLAB对35kV/10.5kV,5000kVA的双绕组调压变压器模型的调压过程进行了仿真,仿真波形证明了该模型的正确性。
A 35 kV / 10.5 kV , 5 000 kVA two-winding transformer model is built in MATLAB , and the waveforms of tap-changing process in simulation have proved the correctness of the proposed model .
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采用时域仿真法分析了有载调压变压器(OLTC)对电压稳定的动态影响。
The effect of OLTC on the voltage stability is analyzed through time domain simulation .
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220kV自耦有载调压变压器的波过程分析
Wave Course Analysis of 220 kV On-Load Tap-Changing Auto-Transformer
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110kV无载调压变压器更新改造方案技术经济性探讨
Technical-economical assessment on renewal and transformation projects of 110 kV no-load regulating transformers
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另外对有载调压变压器变比改变时,TA二次侧电流与抽头位置的关系作出研究,提出自动识别变比的电流校正原理,通过在线调整的方式对TA二次侧电流作自适应校正。
A kind of TA currents correction method based on the analysis between TA secondary sides current and taps position is introduced , which can adjust TA secondary side currents online automatically .
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文中建立了包括DVR在内的线路、有载调压变压器、负荷等相关设备的数学模型,指出了系统的多时标特性。
Multi time scale characteristics of the system was illustrated after building the dynamic models of distribution line , on load tap changing transformer and load .
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计及感应电动机的励磁电抗,导出了负荷最大功率的表达式,在有载调压变压器(OLTC)变比的正常调节范围内得到了负荷最大功率的不同变化趋势。
The expression of the maximum load power is deduced as well as its changing trend under normal regulating range of on-load tap changer ( OLTC ) ratio with the excitation reactance of induction motor considered .
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近年来,世界范围内相继发生几起由有载调压变压器(OLTC)引起的大的电压崩溃事故,人们认识到OLTC对电力系统电压稳定性有着重要的影响。
In recent years , several large-scale voltage collapse incidents due to on-load regulating transformator ( OLTC ) happened in succession throughout the world , which arouses widespread concern about the influence of OLTC on power system voltage stability .
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通过分析在城乡电网改造中所遇到的困难,指出对66kV电压级高损耗无励磁调压变压器进行降损增容改造,是顺利完成电网改造任务的必由之路。
By analyzing the difficulties on the course of transforming urban and rural electric network , puts forward loss-reduction and capacity-increase transformation for 66 kV high loss non-excitation regulating transformer is the only way to accomplish successfully the transformation of electric network .
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自适应算法在有载调压变压器差动保护中的应用
Application of adaptive algorithm in tap - changeable transformer differential protection
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有载调压变压器档位显示转换
Indication and conversion of voltage - regulating transformer on load
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环形自动调压变压器改变自动调温器的调节点
Ring auto regulating transformer change the setting of a thermostat
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无弧切换的有载调压变压器
A new type of on-load tap changer without arcing
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目前,大多数变电站都配备了有载调压变压器和并联电容器组。
Now most substations are equipped with on-load tap-changer transformers and power capacitors .
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用相对漏磁链法推导自耦调压变压器短路电抗
Derivation of Short Circuit Reactance in Tap-Changing Auto-Transformer with Relative Magnetic Leakage Method
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干式有载调压变压器计算机集中监控系统设计
Design of Computer Integrated Monitoring and Controlling System for Dry-Type On-Load Tap-Changing Transformer
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环形自动调压变压器
Automatic hydraulic sole attaching press ring auto regulating transformer
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有载调压变压器;电压稳定性;动态分析;
On load tap changer Voltage stability Dynamic analysis ;
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微机有载调压变压器自动调压装置
Microcomputer Automatic Voltage Regulating Device for Lood-Ratio Voltage Transformer
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并列运行有载调压变压器的自动调压控制
Automatic Regulation Control of Parallel Operating on-load Regulating Transformers
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多磁路调压变压器&一种新的大功率调压系统
Regulation Transformer with Multi-Magnetic Circuits : a New High Power Voltage Regulation System
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有载调压变压器直流电阻异常分析
Analysis of Unusual Direct-current Resistance with Load Voltage Transformer
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发电机-变压器单元新的运行方式下可采用无载调压变压器
No-load voltage regulating transformer & an alternative for generator-transformer unit in new operating mode
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关于静态电压稳定中有载调压变压器的作用与控制
On the mechanism and control of on load tap changer in steady-state voltage stability
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全绝缘有载调压变压器雷电冲击性能的改进
Improvement on Properties to Withstand Lightning Impulse for Transformer with Uniform Insulation and OLTC
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有载调压变压器变比变化对电力系统电压的影响
Influence of Variation of Transformation Ratio of on-load Tap Changer on Voltage of Power System
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对两种不同调压变压器的特点分析
Characteristics Analysis of Two Voltage Regulating Transformers
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影响有载调压变压器负调压效应临界点因素的研究
Research on Factors to Influence " Negative Regulating Voltage Effect " Critical Point of On-Load-Tap-Changing Transformer