本发明涉及用于检测直流电压母线上的谐振的系统和方法。
Systems and methods are provided for detecting a resonance on a bus coupled to an inverter module.
连接的电气元件有断路器、隔离开关与接地开关、电流互感器、电压互感器、避雷器、母线等。
The electrical elements connected include circuit breaker disconnector and earthing switch current transformer voltage transformer lightning arrester bus etc.
常规并联电抗器固定接入超高压输电系统,不能保证各种运行方式下系统输送能力和母线的稳态电压。
Routine shunt reactor fixed on the EHV transmission system can not guarantee the transmission capability and steady state voltage of system under different operation modes.
它能够在完成调整母线电压使其符合规定要求的同时,实现既定的优化日标,使控制达到最佳的效果。
Thus, it is possible to adjust the bus - voltage to the prescribed requirements and at the same time realize the comprehensive optimal control through optimized objective function.
降低漏源极直流母线电压影响干扰信号按傅立叶展开式的全部频带。
The decrease of the drain-source voltage or bus voltage affects the entire spectrum evenly according to Fourier theory.
电动机起动时的母线电压降不得超过10%。
A bus bar voltage dip during motor starting, shall not exceed 10%.
从发电机转速、功率和直流母线电压之间的相互关系出发,提出利用直流母线电压进行转速观测实现无速度传感器。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
它们都工作在300千赫兹,直流母线电压400伏特,输出功率120瓦特,输出电压16伏特。
All of them have been operation at 300 kHz, bus voltage of 400 V, output power of 120 W, output voltage of 16 V.
在伺服系统中要使系统能够满足所期望的性能,伺服系统驱动器直流母线电压的选择尤为重要。
To make the servo system have the expected its, it s especially important for selection of DC bus voltage in servo driver.
变电站包括各类设备:变压器、断路器、负荷开关、母线、电流互感器、电压互感器等。
Transformer substation including each kind of equipment: transformer, circuit breaker, load switch, generatrix, current transformer, voltage transformer and so on.
基于行波特征区分雷电冲击与短路故障有一定局限性,提出一种利用母线电压信号特征识别雷击与短路故障的新方法。
We proposed a new method to distinguish the lightning strikes and common short-circuit faults on the basis of the characteristic of the bus voltage signals using S-transform.
此设计使输电母线易于电压控制。
This design facilitates voltage control of a transmission bus.
本文提出一种计算较大电动机启动时对公共母线电压影响的方法。
This paper presents a calculating method for checking the voltage impact on common bus during large motor starting.
基于GPS的同步相量测量单元(PMU)是一种新型的高精度测量装置,能够测量母线电压相量和支路电流相量。
Phasor measurement unit(PMU)based on GPS is a new and precise measuring device, which can be used to measure bus voltage phasor and branch current phasor.
电网发生故障时,根据断路器跳闸信息和母线电压信息,采用BFS(广度优先搜索)的方法搜索出故障区域。
When a fault occurs in a power system, fault area is located using Broad First Search (BFS) method by breakers and bus voltage message.
为了解决高性能计算机分布式供电体系中间母线电压在热插拔状态下的可靠运行问题。
For resolving reliable operation problem of the high performance computer distributed power supply system's bus voltage under hot swapping.
基于GPS的同步相量测量单元(PMU)实现了电力系统的功角或母线电压相角直接可测。
GPS-based synchronized phasor measurement unit (PMU) can measure the power Angle or phase Angle of bus voltage directly.
厂用电系统中一般带有集中电动机负荷,异步电动机启动会引起母线电压严重的波动。
The electric auxiliary system sometimes has condenser motor loads, and the starting of inductor motors can cause bus voltage fluctuation problem.
至今几乎所有的电力变换器为在线换向式的当有功功率较小,而消耗的无功较大时,对所联接母线的电压是非常有害的。
Almost all the power converters in use up to now are line-commutated, when the level of active power is low, and reactive power consumed is high, being very harmful for the connection bus voltage.
这里须滤去由电抗器相位控制引起的谐波电流以避免不能接受的输电母线电压畸变。
These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.
介绍了使用线稳定指标作为快速电压稳定指标(FVSI)确定电力系统母线的最大承载负荷的方法。
This paper demonstrates the use of line stability index termed as fast voltage stability index (FVSI) in order to determine the bus maximum loadability in a power system.
而畸变的负荷电流引起整个系统中母线电压畸变。
The distorted load current then causes distorted bus voltages to appear throughout the system.
文中还针对海拔对管母线起晕电压的影响进行了讨论,给出了工程适用的海拔校正方法。
In addition, the influence of altitude on corona onset voltage of busbar is also discussed, and altitude correction method used in the project is suggested in this paper.
厂用电系统中一般带有集中电动机负荷,异步电动机启动会引起母线电压严重的波动。
The electric auxiliary system usually consists of condenser motor loads, and the starting of inductor motors can cause the problem of bus voltage fluctuations.
最后分析了母线节点的电压相角差和幅值差变化对合环后电流分布的影响。
Finally, this paper analyzes the influence to the current value after operations led by the variations of bus node voltage phase Angle difference and amplitude difference.
然后将所提方法应用到VIENNA整流器直流母线电压控制中,提高了控制精度,并增强了系统的稳定性。
Furthermore, the method is used to control the DC bus voltage of the VIENNA rectifier, with enhanced control accuracy and system stability.
仿真结果表明,双馈发电机控制系统具有良好的动态控制性能,直流母线电压稳定,波动小,能够满足双馈发电机交流励磁的需要。
The simulation results indicate that the system has good dynamic performance, DC bus voltage is stable and has small fluctuations, and it satisfies the demand of DFIG excitation.
在工程实际中,电动机起动时引起的母线电压下降不能超过规定值。
In practical projects, while an asynchronous motor starting, the drop of voltage on the bus bar must be within the limits which is stipulated by the national standard.
电压软切换通过软件智能识别、选择工作母线,完成母线电压快速无触点切换。
Soft switch of voltage can identify and select working bus intelligently by software, and switch the bus voltage immediately without any contact.
电压软切换通过软件智能识别、选择工作母线,完成母线电压快速无触点切换。
Soft switch of voltage can identify and select working bus intelligently by software, and switch the bus voltage immediately without any contact.
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