農(nóng)村水電管理知識百問

內(nèi)容概要

浙江省具有較豐富的水電資源。新中國成立以來，全省農(nóng)村水電從無到有，從小到大，走過了五十多年的發(fā)展歷程，截至2008年底，已建成投產(chǎn)農(nóng)村水電站3200余座、總裝機(jī)容量近340萬千瓦，為提供清潔電力能源、防洪減災(zāi)、增加地方財政收入、改善農(nóng)村基礎(chǔ)設(shè)施等發(fā)揮了顯著成效，為加快山區(qū)農(nóng)村經(jīng)濟(jì)社會發(fā)展做出了巨大貢獻(xiàn)。在新的歷史時期，黨中央高度重視“三農(nóng)”工作，大力推進(jìn)資源節(jié)約型、環(huán)境友好型社會建設(shè)，農(nóng)村水電作為可再生能源工程和農(nóng)村、農(nóng)業(yè)的基礎(chǔ)設(shè)施，又迎來了新的發(fā)展機(jī)遇和廣闊的發(fā)展空間。
“十一五”以來，針對全省農(nóng)村水電面廣量多、地處偏遠(yuǎn)、新老不一、體制多元的實際，我廳進(jìn)一步規(guī)范資源開發(fā)行為，加強(qiáng)建設(shè)項目監(jiān)管，提升行業(yè)安全管理水平，努力實現(xiàn)從重建輕管向建管并重轉(zhuǎn)變，促進(jìn)我省農(nóng)村水電可持續(xù)發(fā)展。由省水電管理中心組織編寫的《農(nóng)村水電管理知識百問》一書，涵蓋了水能資源管理、工程建設(shè)管理、運行管理等各方面知識，是一本內(nèi)容翔實、通俗實用的農(nóng)村水電行業(yè)管理工具書，對于各級水電行政主管部門加強(qiáng)水電管理具有實際指導(dǎo)作用。同時，也可供水電資源開發(fā)投資者，農(nóng)村水電生產(chǎn)經(jīng)營單位負(fù)責(zé)人、管理人員、運行檢修人員參考閱讀。相信本書的出版發(fā)行，對增強(qiáng)我省農(nóng)村水電行業(yè)隊伍素質(zhì)，規(guī)范和提升行業(yè)管理水平，實現(xiàn)農(nóng)村水電科學(xué)發(fā)展，一定會起到很好的促進(jìn)作用。

書籍目錄

Chapter One Water Power Resources Management
Chapter Three Operation and Management of Rural Hydro Power
Station Reservoir
Chapter Four Safety Management of Rural Hydro Power
Chapter Five Rural Hydro Power Equipment
Management
Chapter Six Emergency Management for Rural Hydro Power
Stations
References

章節(jié)摘錄

版權(quán)頁：137.How to guarantee the safety for adjustment of ac-tive／reactive power if the rural power station with low-voltage unit has no automatic excitation regulator？For the low-voltage unit with no automatic excitation regu- lator and speed governor，all the load of the lOkV line will be diverted to the unit once the line is out of power supply，and o- ver current is caused to the generator.Therefore，the over-cur- rent protection of the generator should be functioning in time to shut it down by tripping.First，Regulation of reactive power.The regulation of excitation before grid connection should be gradually increased，if over regulated，the generator termi- nals will have over voltage.For regulation of excitation after grid connection，the reac- tive power increases with the exciting current，and decreases when the exciting current decreases.If the exciting current is regulated to be too low，the generator will be under phase ad- vance operation，and the power factor is a negative value at the time.Generally，phase advance operation is not allowed for the generator.Under the phase advance operation，current of the stator should be kept a close eye on.Otherwise，if the current is overlooked after grid connection with reactive power，it will cause the following two situations：（1）Decrease of reactive load of the grid will cause rise of the voltage，partial exciting current of the generator preliminary for reactive power will be used for producing of terminal volt- age.The reactive power of the unit decreases automatically and the power factor increases.

編輯推薦

《農(nóng)村水電管理知識百問》：Based on existing rural hydropower managementstandards and regulations，this book gives detailedanswers to water resources management，rural hydropower project tax management，rural hydro powerequipment management and rural hydro power stationemergency management.This book could be taken as suitable references tothe administrative officials in water management，engineering and technical personnel，and other ruralhydro power operators in electrical and mechanicalmanagement.

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