The mal-operation of non-electricity protection for the transformers is the problem that people pay close attention to very much.
变压器非电量保护的误动问题，一直是人们非常关注的问题。
It USES the positive impedance in static stability and low-voltage impedance which can effectively prevent the mal-operation in external faults.
静稳阻抗和低电势阻抗采用正序阻抗，能有效地防止外部短路造成的误动作。
The saturation of magnetic current transformers, occurred during a fault on the power system, will lead to mal-operation or refused operation of protection relay.
电磁式电流互感器在电力系统故障情况下可能发生饱和，常导致继电保护装置误动或拒动。
On August 6th 1988, in Guiyang Power System, a line fault was extended to a cascade shutdown accident because of the mal-operation of a busbar differential protection.
1988年8月6日，由于母线差动保护误动作使线路故障扩大，造成了贵阳电网瓦解的大面积停电事故。
Furthermore, the digital simulation results and dynamic simulation data indicate that transformer recovery inrush itself cannot result in mal-operation of differential protection.
在此基础上，以数字仿真和动模录波数据分析说明恢复性涌流本身不会造成变压器差动保护误动。
With the above mentioned measures the reliability of the operation of stabilizing devices is outstandingly improved and the probability of device mal-operation is significantly reduced.
这些措施显著提高了稳控装置运行的可靠性，极大地降低了装置误动的机率。
The system make it easy for the substation operator and maintenance personnel to control grounding status of field, and to prevent the occurrence of security incidents of living mal-operation.
该系统可便于变电站运行人员、检修人员在进行操作和检修作业时对现场接地状态的掌控，防止发生带电误操作的安全事故。
Meanwhile, the manufacturing precision of the brake should be further improved to limit the non-nor-mal increase of braking pedal travel in order to meet the operation requirements.
同时，应进一步提高制动器的制造精度，从而限制踏板行程的“非正常”增长，满足双管路制动系统的使用要求。
Meanwhile, the manufacturing precision of the brake should be further improved to limit the non-nor-mal increase of braking pedal travel in order to meet the operation requirements.
同时，应进一步提高制动器的制造精度，从而限制踏板行程的“非正常”增长，满足双管路制动系统的使用要求。
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