本文通过分析无功功率平衡和电压水平的关系，指出了电力系统电压调整的复杂性，然后讨论了变电站电压无功控制的原理，给出了控制的数学模型。
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.
摘要：变电站是电力系统中转换电压、接受和分配电能、控制电流走向和调整电压的电力设施。
Abstract: : the substation is in power system voltage conversion, accept and electric power distribution, control and adjustment to the current voltage power facilities.
实际应用表明，系统在无人值守情况下可自行调整并稳定调压器输出电压，可满足电子加速器调压器的精确控制和自动控制要求。
It is shown in practice that the system can adjust the variac output voltage automatically and assure the accurate and automatic control of the electronic accelerator.
系统为加速器调整电路提供一个正比于输入电压的电流。
The system supplies analog current to the accelerator's tuning circuit, which is proportional to the input voltage.
该系统采用了MCS - 51单片机实施系统控制与管理、电压连续调整、通讯程控等功能，因而精度高、自动化功能强、使用方便。
By use of MCS-51 chip microprocessor, it can fulfill the tasks, such system control and management, programmable control communication and continuous regulation of voltage with high accuracy.
电源系统是汽车电子中不可或缺的重要组成部分，而电压调整器又是电源系统中技术含量较高的关键部件。
Power system is an essential component of the Automotive electronic, voltage regulator of is the key component and the higher levels of technology in power supply system.
在保证系统中无功功率平衡的基础上，辅以有载调压等措施调整电压，才可使电压的偏移保持在允许范围内。
Based on guaranteeing reactive power equilibrium of the system, only the voltage regulation assisted by on - load voltage regulation can make the deviation of voltage keep in allowable scope.
提出了按照电压等级进行分层平衡的原则，对系统的无功功率进行调整，取得了较好得调整效果。
The method to adjust the reactive power to balance judging by the voltage level has been proposed and obtaining a well effect when used it in the actual project.
本发明涉及一种用于调整供应给电路的电压的集成电路、电子系统和方法。
Measurement circuit components are included in an integrated circuit fabricated on a semiconductor substrate.
本发明涉及一种用于调整供应给电路的电压的集成电路、电子系统和方法。
Measurement circuit components are included in an integrated circuit fabricated on a semiconductor substrate.
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