系统静态稳定,静态稳定的计算条件是什么？答:静态稳定是指:电力系统受到小干扰后,不发生自发振荡和非同
xi tong jing tai wen ding , jing tai wen ding de ji suan tiao jian shi shen me da : jing tai wen ding shi zhi : dian li xi tong shou dao xiao gan rao hou , bu fa sheng zi fa zhen dang he fei tong
是指:主干线路、大联络变压器等设备检修及其它对系统稳定运行影响较为严重的运行方式。242、什么是电力
shi zhi : zhu gan xian lu da lian luo bian ya qi deng she bei jian xiu ji qi ta dui xi tong wen ding yun hang ying xiang jiao wei yan zhong de yun hang fang shi 242 shen me shi dian li
事故后运行方式是指:电力系统事故消除后,在恢复到正常方式前所出现的短期稳定运行方式； 特殊运行方式
shi gu hou yun hang fang shi shi zhi : dian li xi tong shi gu xiao chu hou , zai hui fu dao zheng chang fang shi qian suo chu xian de duan qi wen ding yun hang fang shi te shu yun hang fang shi
式和按负荷曲线及季节变化的水电大发,火电大发,最大最小负荷和最大最小开机方式下较长期出现的运行方式；
shi he an fu he qu xian ji ji jie bian hua de shui dian da fa , huo dian da fa , zui da zui xiao fu he he zui da zui xiao kai ji fang shi xia jiao chang qi chu xian de yun hang fang shi
241、什么是电力系统的正常运行方式、事故后运行方式和特殊运行方式？答：正常运行方式是指:正常检修方
241 shen me shi dian li xi tong de zheng chang yun hang fang shi shi gu hou yun hang fang shi he te shu yun hang fang shi da zheng chang yun hang fang shi shi zhi : zheng chang jian xiu fang
定和动态稳定的水平,提出稳定运行限额；2、分析和研究提高稳定的措施；3、研究非同步运行后的再同步问题
ding he dong tai wen ding de shui ping , ti chu wen ding yun hang xian e 2 fen xi he yan jiu ti gao wen ding de cuo shi 3 yan jiu fei tong bu yun hang hou de zai tong bu wen ti
短时非同步运行。240、电力系统稳定计算分析的主要任务是什么？答:1、确定电力系统的静态稳定,暂态稳
duan shi fei tong bu yun hang 240 dian li xi tong wen ding ji suan fen xi de zhu yao ren wu shi shen me da :1 que ding dian li xi tong de jing tai wen ding , zan tai wen
系统不能保持稳定运行时,必须防止系统崩溃,边锋游戏大厅并尽量减少负荷损失；4、在满足规定的条件下,允许局部系统作
xi tong bu neng bao chi wen ding yun hang shi , bi xu fang zhi xi tong beng kui , bian feng you xi da ting bing jin liang jian shao fu he sun shi 4 zai man zu gui ding de tiao jian xia , yun hu ju bu xi tong zuo
稳定标准分为四类: 1、保持稳定运行和电网的正常供电；2、保持稳定运行,但允许损失部分负荷；3、当
wen ding biao zhun fen wei si lei : 1 bao chi wen ding yun hang he dian wang de zheng chang gong dian 2 bao chi wen ding yun hang , dan yun hu sun shi bu fen fu he 3 dang
统发生大扰动时,安全稳定标准边锋游戏大厅是如何划分的？答：根据电网结构和故障性质不同,电力系统发生大扰动时的安全
tong fa sheng da rao dong shi , an quan wen ding biao zhun bian feng you xi da ting shi ru he hua fen de da gen ju dian wang jie gou he gu zhang xing zhi bu tong , dian li xi tong fa sheng da rao dong shi de an quan
运行。 5、电力系统发生稳定破坏时,必须有予定措施,以缩小事故的范围,减少事故损失。239、电力系
yun hang 5 dian li xi tong fa sheng wen ding po huai shi , bi xu you yu ding cuo shi , yi suo xiao shi gu de fan wei , jian shao shi gu sun shi 239 dian li xi
溃。 4、在事故后经调整的运行方式下,电力系统仍应有按规定的静稳定储备,其他元件按规定的事故过负荷
kui 4 zai shi gu hou jing diao zheng de yun hang fang shi xia , dian li xi tong reng ying you an gui ding de jing wen ding chu bei , qi ta yuan jian an gui ding de shi gu guo fu he
(发电机、线设边锋游戏大厅、变压器、母线）发生单一故障时,不应导致主系统发生非同步运行,不应发生频率崩溃和电压崩
( fa dian ji xian she bian feng you xi da ting bian ya qi mu xian fa sheng dan yi gu zhang shi , bu ying dao zhi zhu xi tong fa sheng fei tong bu yun hang , bu ying fa sheng pin lv beng kui he dian ya beng
不应发生自发振荡。 2、要有合理的电网结构。 3、在正常方式(包括正常检修方式）下,系统任一元件
bu ying fa sheng zi fa zhen dang 2 yao you he li de dian wang jie gou 3 zai zheng chang fang shi ( bao kuo zheng chang jian xiu fang shi xia , xi tong ren yi yuan jian
足够的静态稳定储备和有功、无功备用容量,并有必要的调节手段边锋游戏大厅。在正常负荷波动和调节有功、无功潮流时,均
zu gou de jing tai wen ding chu bei he you gong wu gong bei yong rong liang , bing you bi yao de diao jie shou duan bian feng you xi da ting zai zheng chang fu he bo dong he diao jie you gong wu gong chao liu shi , jun
的电网结构应满足那些基本要求？答：1、为保持电力系统正常运行的稳定性和频率、电压的正常水平,系统应有
de dian wang jie gou ying man zu na xie ji ben yao qiu da 1 wei bao chi dian li xi tong zheng chang yun hang de wen ding xing he pin lv dian ya de zheng chang shui ping , xi tong ying you
事故:带负荷拉、合闸刀；带边锋游戏大厅电挂接地线(合接地闸刀）；带接地线(接地闸刀）合开关(闸刀）。238、合理
shi gu : dai fu he la he zha dao dai bian feng you xi da ting dian gua jie di xian ( he jie di zha dao dai jie di xian ( jie di zha dao he kai guan ( zha dao 238 he li
时,则构成事故。237、在电气设备作中发生什么情况则构成事故？答:在电气设备作中,发生下列情况则构成
shi , ze gou cheng shi gu 237 zai dian qi she bei zuo zhong fa sheng shen me qing kuang ze gou cheng shi gu da : zai dian qi she bei zuo zhong , fa sheng xia lie qing kuang ze gou cheng
统调度规定的电压曲线数值的±5%,且延续时间超过2小时；或超过规定数值的±10%,边锋游戏大厅且延续时间超过1小
tong diao du gui ding de dian ya qu xian shu zhi de 5%, qie yan xu shi jian chao guo 2 xiao shi huo chao guo gui ding shu zhi de 10%, bian feng you xi da ting qie yan xu shi jian chao guo 1 xiao
236、电力系统监视控制点电压超过什么范围构成事故？答:我国规定,电力系统监视控制点电压超过了电力系
236 dian li xi tong jian shi kong zhi dian dian ya chao guo shen me fan wei gou cheng shi gu da : wo guo gui ding , dian li xi tong jian shi kong zhi dian dian ya chao guo le dian li xi