浅谈提高继电保护可靠性的措施中英文对照

1、浅谈提高继电保护可靠性的措施中英文对照On improving English reliability measures of relay protection本文就多年的工作实践对当前电力系统继电保护状态检修的运行维护进行的分析与探讨,并就提高继电保护可靠性的措施,提出几点建议。Based on years of practical work on the current state of the power system operation and maintenance of relay protection maintenance discussion and analysis, an

2、d the measures to improve the reliability of the relay protection, and puts forward some suggestions.一、继电保护装置的特点Characteristics, relay protection device若想强化对继电保护的运行维护,就要首先了解继电保护装置的特点,使其能满足基本的运行要求。继电保护装置主要以下几个方面的特点:1可靠性。继电保护装置的可靠性特征是其最具特色的特点,在电力系统运行过程中发生故障时,继电保护装置会在其保护范围内对故障做出可靠动作,有效断开故障点的扩大。2选择性。继电保

3、护装置在电力系统运行出现故障时,会有选择地切出故障,将最接近故障点的开关设备及时断开,有效防止故障的扩大,让电力系统故障部分除外的其他部分还能持续正常运行。3灵敏性。继电保护装置的灵敏性可用过灵敏系数来衡量,是指它对保护范围内的异常状态或运行故障的反应能力。4快速性。在系统发生故障时,继电保护装置能以允许的最快速度做出反应,及时断开开关设备以确保故障无蔓延扩大趋势,对故障元件损坏程度的减轻也起到很好作用,为故障解除后的电力系统同步运行的安全稳定的实现奠定基础To strengthen the maintenance of protective relaying operation, we mu

4、st first understand the characteristics of the relay protection device, which can meet the basic requirements of operation. Characteristics of the relay protection device is mainly in the following aspects: 1 reliability. The reliability of relay protection device is the most characteristic features

5、, the fault occurred in the running process of power system, relay protection device in the protection action to make reliable fault range, effective disconnection of expanding the fault point. 2 selective. Relay protection device failure in power system operation, can selectively cut out fault, swi

6、tching equipment will be closest to the fault point in time off, to enlarge the effective to prevent failures, power system fault but also other parts except for the normal operation. 3 sensitivity. Relay protection device sensitivity by sensitivity coefficient to measure, it is to protect the range

7、 of abnormal or fault response capability. 4 fast. When faults occur in power system, relay protection device to the fastest speed to allow timely response, disconnect switch equipment to ensure that no fault spread trend, to reduce the damage degree of fault elements also play a very good role, for

8、 power system fault after the lifting of synchronous operation safe and stable foundation for realizing二、继电保护运行维护的基本原则Two basic principles of relay protection, operation and maintenance对继电保护的运行维护原则主要有两个方面:1确保运行安全。确保装置运行的安全稳定是继电保护运行维护的基础及重要原则,在对继电保护装置进行状态检修的分析与监测时,应对检修项目、周期等做合理适当的调整,并通过完善有效的管理制度加强对继电

9、保护运行维护的管理。2宏观规划。逐步落实。对继电保护的运行维护是系统而复杂的,尤其是装置的状态检修还没有形成成熟系统的完整体系,因此,需要在总体的宏观规划下,分层逐步实施推进,确保继电保护运行维护的每一步实施都合理稳妥,通过先行试点累计必要的经验并进一步推广应用。For the relay protection maintenance principle mainly has two aspects: 1 to ensure the safe operation. To ensure that the operation of the device safe and stable is and

10、 important principles of relay protection running and maintenance, analysis and monitoring of state maintenance in to the relay protection device, to overhaul project, cycle do appropriate adjustment, and by improving the effective management system of relay protection maintenance management. 2 macr

11、o programming. The gradual implementation of. For the relay protection maintenance is a systematic and complex, especially the complete system, condition-based maintenance device has not formed mature system therefore, need in the macro planning overall, step by step to promote the implementation of

12、 each step, ensure the implementation of maintenance of relay protection are reasonable and, through pilot accumulated the necessary experience and further application.三、继电保护装置的校验内容与周期Check the contents and period three, relay protection device要想提高继电保护的可靠性,有效保障电力系统运行的安全稳定,并且在故障发生时能及时作出可靠动作,就必须定期对继电保

13、护装置与其二次回路做有效检查与校验。继电保护装置的校验内容主要有对保护装置整组动作的检验、进行电气特性试验与对继电器机械部分的检查、二次通电试验、分闸电压与二次回路绝缘电阻的测量。而对继电保护装置与其二次回 路的检查内容主要有确保保护定值单的完整有效与合理保存、确保继电器无异常、检查相关装置设备的电源与液晶面板及指示灯显示等是否正常准确、检查装置交流采样与报文及开入量是否正常、对转换开关与压板位置进行检查、确保运行中无异常气味或声响。对于同期建设或改造的二次回路的新安装继电保护装置,需在投运一年后做首次全面检查,若发现装置运行状态不良,应根据实际情况制定确定有针对性的检修项目并适当缩短检修周期

14、,若继电保护装置更换时不同步改造二次回路,则在装置投运之前,需要做一次全面的检修,而后期检修则可按正常周期进行。若是110kV电压等级的微机装置,可每六年做一次全检而取消部检In order to improve the reliability of relay protection, security and stability of power system operation effective protection, and can make timely and reliable action when a fault occurs, it must be regularly on

15、relay protection device and the two loop to do effective inspection and verification. Check the contents of relay protection device are test of protective device, the entire group of electrical characteristics test and inspection, the relay mechanical part measurement two electricity test, gate volt

16、age and the two circuit insulation resistance. The relay protection device and the two loop to check the contents of the main ensure protection setting value of the complete and effective and reasonable storage, to ensure that no abnormal, check relay equipment supply and liquid crystal panel and an

17、 indicating lamp display is normal or not accurate, AC sampling and packet inspection device and input amount is normal, the conversion the switch and the plate location check, ensure operation no abnormal smell or sound. For a new installation of relay protection device two loop construction or ren

18、ovation of the same period, the first comprehensive examination required in operation after a year, if it is found that the device running state is bad, should be developed according to the actual situation to determine the maintenance project and appropriate to shorten the maintenance period, if th

19、e relay protection device replacement is not synchronous two loop transformation in the device, before commissioning, need to do a comprehensive overhaul, and later maintenance can be conducted on normal cycle. If a microcomputer device 110kV voltage grade, can do a full inspection every six years a

20、nd the abolition of inspection四、对继电保护运行的具体维护The specific maintenance four, to relay protection operation对继电保护运行的具体维护主要有: The main specific maintenance operation of relay protection:1加强继电保护装置运行中的异常现象监视,并将具体情况及时报告给主管部门。2在检修过程中,应在与相关负责人协商一致后,再进行检修必要的分合开关操作,以免出现人为因素的故障,使得检修适得其反。3及时查明继电保护动作开关跳闸的原因,对保护动作的

21、情况作进一步了解,做好故障发生、原因分析及具体排除措施等所有内容的实时有效的记录。4对于继电保护装置的操作权限,值班人员只有开关的切换或转换、压板接通或断开及保险卸装等,不能做多余的违规操作,若出现不在操作权限内的异常状况,应及时断开开关并与相关负责人联系。5根据电气安全工作规程规定并结合现场的设备图纸进行二次回路上的所有工作,并根据相关规定进行对传统变电站二次设备的定期检修,确保继电保护装置及其二次回路接线完好。1 strengthen monitoring abnormal phenomenon in operation of relay protection device, and sp

22、ecific circumstances promptly reported to the competent authorities. 2 in the inspection process, should be in line with the relevant person in charge of consensus, and then repair division switching operation necessary, so as to avoid the fault of human factors, so the overhaul run counter to ones

23、desire. 3 identify the reasons for action of relay protection switch tripping time, to protect the situation further, make fault, cause analysis and specific measures to fix all the content of the effective real-time recording. 4 for operating authority of relay protection device, the personnel on d

24、uty, only switching or converting switch plate connected or disconnected and insurance uninstall, can not do extra illegal operations, if there is no exception in operation within the authority, should be promptly disconnect switch and contact the person responsible for the relevant. 5 according to

25、the Regulations of electrical safety work rules and combined with field equipment drawings for all two loop, and regular maintenance of the two traditional equipment of substation according to the relevant regulations, to ensure that the relay protection device and the two circuit wiring.五、提高继电保护可靠性

26、的有效措施Five, the effective measures to improve the reliability of relay protection提高继电保护可靠性是进行继电保护运行维护的主要目的,继电保护的运行维护处处体现着对继电保护可靠性的提高目的,有效提高继电保护可靠性的措施,是防止电力系统故障发生与扩大的重要途径,为电力系统运行的安全稳定提供可靠保障。对于这一方面,笔者结合自己的看法提出几点建议: To improve the reliability of relay protection is the main purpose of the maintenance op

27、eration of relay protection, relay protection maintenance everywhere embodies the purpose of improving the reliability of relay protection, effective measures to improve reliability of relay protection, is to prevent the power system fault occurs in important ways and expanded, providing reliable gu

28、arantee for the safe and stable operation of power system. In this connection, the author puts forward some suggestions in the view:1增加对继电保护的投入。在科学技术的大力支持下,新的技术与设备层出不穷,要提高继电保护运行的可靠性,不只要注重对装置投运后的维护,还要合理选用继电保护装置,将有高技术含量的新型装置应用到电力系统运行中,不断完善电力系统运行的电气设备,如对于综合自动化系统的应用,可以使其与继电保护配合使用,充分提高继电保护的可靠性。1 increase

29、 the relay protection input. In strong support of science and technology, new technology and equipment emerge in an endless stream, in order to improve the reliability of relay protection, not only to pay attention to the maintenance after putting into operation of unit, but also reasonable selectio

30、n of relay protection device, the operation of the new device applied to power system will have high technology content, and constantly improve the electrical equipment of power system operation, such as the application of the integrated automation system, can be used in conjunction with the relay p

31、rotection, improve the reliability of relay protection.2加强对继电保护运行的日常维护。电力系统运行中发生故障的现象是具有随机性的,并不能准确定,这就要在日常运行中多加注意与监测,尤其是对能有效防止故障或事故发生运行中多加注意与监测,尤其是对能有效防止故障或事故发并实时采取处理措施排除故障以恢复电力系统的稳定运行,有着极其重要的意义。因此,要加强对继电保护运行的日常维护,把好保护运行效率与质量关,定期对继电保护装置及其二次回路进行有效校验与检查,及时发现问题并解决,提高故障处理能力,综合提升继电保护运行维护水平,为电力系统运行的安全稳定、经

32、济高效的实现创造良好条件。3强化对检修人员的素质与业务技能的培训。要提高继电保护可靠性,就要注意对继电保护装置的检修,而这对检修人员的综合素质及业务技能有很高的要求,检修人员掌握较高的检修技术并具有丰富的检修经验,能及时对系统故障作出准确分析,能对继电保护装置的健康状态做综合评价,还能作出合理的检修决策,有效优化检修工艺与计划等,这些都是检修人员技术素质的体现,是确保检修质量的基础与关键。因此必须对加强检修人员的素质与业务技能的培训,通过宣讲、学习等手段强化检修人员的安全意识,提高检修人员的工作责任心与积极性,并通过专业的技能培训与有效 的考核方式等， 提高检修人员的综合素质及业务技能， 使其

33、对检修工作从理论到实际操作都 有一个整体的把握与了解，熟知检修操作过程与规章制度要求，有效提高检修质量。同时， 应通过有效的激励奖罚制度以及健全的岗位责任制， 在提高检修人员责任心的同时， 确保具 体的检修工作落实到位，为继电保护高效运行提供可靠保障。 2 to strengthen the day-to-day maintenance and operation of relay protection. Failure occurred in the operation of power system is stochastic, and not accurate, it should pa

34、y more attention and monitoring in daily operation, especially for can effectively prevent the failure or accidents happen more attention and monitoring operation, especially for can effectively prevent the failure or accident and real-time to stabilize operation treatment measures for troubleshooti

35、ng to restore the power system, has a very important significance. Therefore, to strengthen the routine maintenance operation of relay protection, the protection operation efficiency and quality, regularly on relay protection device and the two loop effectively check and inspection, timely find and

36、solve, improve the fault treatment ability, comprehensive promotion of relay protection operation and maintenance level, creating good conditions for economic security stable, the operation of power system. 3 to strengthen the maintenance personnel quality and service skill training. In order to imp

37、rove the reliability of relay protection, it is necessary to pay attention to the maintenance of relay protection device, and the maintenance personnel comprehensive quality and professional skills have very high demand, maintenance personnel to master maintenance technology is higher and has rich e

38、xperience in maintenance, can make an accurate analysis of the system failure, can make comprehensive evaluation device for relay protect the health, but also make maintenance decision reasonable, effective maintenance optimization process and plan, these are the embodiment of technical quality of m

39、aintenance personnel, is to ensure that the foundation and key to overhaul quality. So it must be to strengthen the maintenance personnel quality and service skill training, strengthen the sense of security maintenance personnel through the preaching, learning methods, improve the maintenance personnel responsibility and enthusiasm, and through professional skill training and effective evaluation methods, improve the comprehensive quality and the service maintenance personnel skill, make it the maintenance work from theory to the actual operation