1、PAGE 1SHEETS 20 15m2AREA舊圖登記號底底圖登記號會 簽MkQTYREVISIONSIGNDATENINGBO ORIENTAL SHIP DESIGN CO., LTDNDF566-026-21SINGLE LINE DIAGRAM OF MAIN SWITCHBOARD TECHNICAL DESIGN 5500DWT CHEMICAL TANKERAPPRODATEVERIFYCHECKDESIGN不需要打封面，有專門的封面說明：Note:一、結構及外形Composition and construction1、組成：由發電機屏3屏、同步屏1屏、440V負載屏3屏、2

2、20V負載屏1屏，組合啟動屏2屏組成。外形尺寸為：6400×800×2200mm(含公共底座)。Main switchboard consists of as follows: three (3) panels of switchboard of generators, one (1) synchronizing panel, three (3) 440V feeder panels, one (1) 220V feeder panel, and two (2) group starter panels. The dimension of configuration: ab

3、out 6500 (length) ×800 (depth) ×2200 (height) (including underbed). 2、結構：Construction 配電板為骨架結構，主配電板做成前后開門式，板后維修。MSB is to be of upright steel frame structure, door type structure of front and rear. The maintenance space is behind MSB. 頂部達到防護等級為IP22的要求，并裝有吊裝環。The degree of protection on the

4、 top of MSB is IP22, and the hoisting ring must be at the top of MSB. 每屏控制屏設有板前照明，主配電板各屏之間均以阻燃隔板分隔。Light to be provided on front of panel of MSB，all of panels are separated with flame-retardant partitions. 前后均設有絕緣扶手，地上鋪設絕緣耐油橡皮墊。The isolated handrails are in front and rear of MSB, non-slipping and oi

5、l-proof non-conducting carpet to be fitted in front and at the rear of the MSB. 輸入輸出接線端應設有永久性標記，要求接線方便，便于維修。The terminals of wires in and out of MSB are provided everlasting marks, so as to connect and repair easy.3、銘牌：選用滯燃材料，一般采用白底黑字，應急用途采用白底紅字。Nameplates are made of flame retardant material, White

6、 background with black letter for general use, white background with red letter for emergency use.二、供電的連續性Continuous supply1、分段供電：主匯流排設計成兩個獨立的分段，平時兩個分段由一個隔離開關加以連接三臺主發電機，船上的雙套用電設備均分地連接在這左右兩個分段上。當主匯流排發生故障采用分段供電時，其供電段上的自動卸載、風油遙切裝置、絕緣監視儀應仍能正常工作。當主匯流排某一處發生故障短路時，可通過手動隔離開關切斷故障處,保護另一分段上的設備供電的連續性。Main bus-ba

7、r of MSB divides into two parts of independent Sections, and manual isolating switch to be provided among sections. Dual equipments to be connected equally these sections. Two independent sections can supply power to each consumer load separately. When any section of main bus-bar not to be working,

8、emergency shutdown for fans and oil pumps, automatic unload device of other sections still can maintain the normal working.2、并車運行：三臺柴油主發電機中的任意二臺均能并聯運行,并車的方式采用手動準同步和自動準同步并車方式。當本船裝卸貨油時,三臺發電機可以同時并聯運行。在主配電板內設置了電站管理系統,它可以自動調整各發電機的負載分配，使之比較均衡，同時使發電機的并聯運行比較穩定。Any of two (2) sets of three generators to be a

9、ble to run in parallel each other. The parallel method is by manually synchronization mode and auto synchronization mode. When cargo oil is being loaded or unloaded, three (3) sets of generators should be able to run in parallel for long time. Power management system is provided in MSB that is able

10、to adjust the frequency and load of generators automatically, so as to get the sharing of generators more balanced and the parallel running of them steadier.3、在主配電板內設置了自動電站一套, 其功能如下：(1)電網失電時備用電源自動投入電網供電電網失電時，備用柴油發電機自動起動并在30秒鐘內自動合閘供電。 如30秒內不能接入電網供電則發出聲光報警。 (2)負荷超過整定值作報警并起動備用電源主發電機供電時，如單機運行負荷超過整定值90%，

11、則發出起動指令，自動起動備用的柴油發電機組并作自動合閘和調頻調載實現雙機并聯運行供電。供電合閘時間不大于45秒。(3)電網負載超過95%具有自動卸載的功能在電網過載時將非重要設備自動卸載，例如：組裝式空調、機艙集控室柜式空調、廚房設備、機修設備等，延時時間5s。(4)大電機重載詢問欲起動大電動機，先重載詢問，系統判斷剩余功率是否足夠，如果夠則發出允許起動信號；否則根據情況起動備用發電機，并聯后再發出起動信號。(5)自檢功能投入運行前，裝置作程序試驗，用以表示運行情況和故障所在位置。(6)當電站故障(長時間的電壓或頻率波動)，自動起動備用發電機。并在備用機組投入前盡快切斷有故障的發電機。(7)短

12、路時各發電機主開關具有防重合閘功能。Power management system is provided in MSB, the function as follows:(1) When the power net is failure, the one (1) stand-by set is to be started, got running in 30s and then supplying power into power net automatically. (2) When running loads have exceeded ninety percent of the set

13、ting value of single generator, the stand-by set is to be started and operated in parallel with the running set within 45s automatically.(3) The preferential tripping system to be provided and so arranged that in an event of the power net becoming overloaded, the non-essential loads are disconnected

14、 automatically before the generators circuit breaker is opened. (4) When large motor is to be running, the PMS is estimating whether the remaining capacity of power is enough. If the capacity is enough, the large motor is to be permitted to start, if not, the stand-by will be started automatically.(

15、5) The PMS have self check functions, the tests are to be carried out as procedure test before put into service.(6) When the nets voltage or frequency is instability, the stand-by will supply power to net after cutting off the failure set.(7) Generator circuit breakers are to be provided with a recl

16、osing inhibitor which prevents their automatic reclosure after tripping due to a short circuit.4、順序起動：Sequential starting system下列負載當電源恢復供電后自動順序起動：- 舵機(0秒)- 主機滑油泵 (0秒)- 主機海水冷卻泵(5秒)- 主機淡水冷卻泵(5秒)- 主機供油單元供油泵、主機供油單元循環泵(10秒) The following consumers will be started automatically and sequentially after pow

17、er supply recovered:- Steering gear- M/E L.O. stand-by pump- G/B L.O. standby pump- M/E S.W. cooling pump- M/E F.W. cooling pump- M/E F.O. supply unit supply pumpM/E F.O. supply unit circulating pump5、報警： 當主配電板出現下列情況時，需要發出聲光報警信號，同時將報警信號（無源常閉觸點）延伸到機艙集控臺。When MSB happened as follows, the visual and so

18、und alarm shall be sent out and extended to alarm and monitoring system.1)AC44V電網絕緣低 AC440V insulation low alarm 2)AC220V電網絕緣低 AC220V insulation low alarm 3)優先脫扣 MSB preferential trip 4)電網電壓高 Main bus-bar voltage high 5)電網電壓低 Main bus-bar voltage low 6)電網頻率高 Main bus-bar frequency high 7)電網頻率低 Main

19、bus-bar frequency low 8)逆功率 G/E ACB reverse power trip 9)發電機過載脫扣 G/E ACB overload trip10)自動電站管理系統故障 Power management system failure 12)主配電板DC24V電源故障 MSB DC24V source failure 6、發電機的空間加熱器應與發電機開關聯鎖，當發電機運行時空間加熱器自動斷開。Space heater shall be interlocked with the circuit breaker. When generator is running, t

20、he heater will be shut down automatically.三、安全運行Safe operation1、監測設備Instrument 儀表：監測儀表選用F96系列船用電表，電表的表面應在發電機的電壓、電流、功率的額定值處劃出紅色標記。功率表應有-15%負功率刻度，電流互感器和電壓互感器的次級繞組應可靠接地。Meters are marine meters F96 series. At the scale of rated voltage, current, power red scale line must be marked. On power meter face

21、there is negative power scale red line at 15% rated generator power. The secondary coil of transformers of voltage and current are to be grounded firmly.絕緣監測：在主配電板上設有電網絕緣監測裝置,可同時對440V各段電力匯流排和220V照明匯流排的絕緣進行監測和報警，無論主匯流條是否處于分段供電的狀態。A set of monitoring instrument of network isolation is to be provided i

22、n MSB. It is able to monitor the isolations of two parts of 440V power bus-bar and 220V lighting bus-bar, and then get out an alarm signal, no matter when AC440V bus-bar is broken as two parts or not. 2、發電機保護Protection of generators 主發電機開關選用MT10N1型萬能式空氣斷路器,主開關具有三段過電流保護(過載預報警、過載長延時、短延時、短路瞬時)，一段電壓保護(欠

23、壓延時)特性。Automatic circuit breaker of generators is of MT10N1, it with three parts over- current protect(overload pre-alarm, overload long time delay tripping, short time delay tripping, and over-current instantaneous tripping), one part voltage protect(lost voltage tripping). 主發電機設有逆功率保護裝置，逆功率整定值：10%

24、×450=45KW 動作時間4s。A set reverse-power relay for each set of generator is to be provided. And its rated value is as follows:reverse power 45kW (negative power is 10% rated power of generator) delay time 4s ,then ACB of generator tripped off.3、聯鎖：主發電機與岸電聯鎖。發電機的主開關與岸電開關的失壓脫扣線圈不應同時有電，即當任何一臺發電機的主開關合閘

25、時，岸電先行跳閘，當主開關分閘后,岸電方可合閘供電。The interlock circuits between shore supply power and each of three (3) sets generators are to be provided.四、其他Others1、岸電通過自動開關向匯流排供電，在主配電板上岸電通斷指示。Shore power through Automatic circuit breaker supply power to main bus-bar, indication lamp of the shore connection box supplyi

26、ng to be provided on MSB.2、1號主照明變壓器和2號照明變壓器副邊開關之間設有機械聯鎖。NO.1 & NO.2 transformer are to be mechanically interlocked.3、遙控切斷：機艙風機及機艙油泵可在機艙出口及駕控臺上遙控切斷，空調及艙室風機在空調機室外和駕控臺上遙控切斷，廚房設備、貨油泵、貨油泵艙抽風機、分油機室設備等在就近遙控切斷。遙控電源由被切分路所在匯流排供電。In case of fire in E/R happened, by use of remote shutdown buttons at the ent

27、rance of E/R and in WHC, the fans & oil pumps and Acc. fans are to be shut off manually. Other equipments shutdown buttons to be locally installed. The power of remote controlling system is fed from bus-bar where there are circuits shunted-off. 4、組合啟動：每個組合啟動器面板上設有起停按鈕及運行指示燈，在機旁設遙控起停按鈕，該按鈕必須滿足在“分

28、斷”位置上把電路鎖定在斷開狀態的措施。一般情況下，功率在10KW及以上電動機設有計時器，重要設備電動機都設有計時器。The starter for the important pumps and ventilation in engine room to be assembled into group starter panel, start/stop button and indicate lamp to be provided on GSP. Motors above 10 kW are to have hour counter meters in general, however bel

29、ow such power rating if the motors belong to critical equipment.5、分路開關選用NS系列插入式自動空氣斷路器，重要負載可選擇脫扣器形式。圖中標有UVT的為各發電機主開關與岸電開關聯鎖的失壓脫扣，PT的為自動卸載分勵脫扣，SHT的為機艙風機、油泵、空調及艙室風機、廚房設備、貨油泵、貨油泵艙抽風機、貨油艙除氣風機的遙控切斷分勵脫扣。 The feeder switches are NS series auto air breaker (plug in type). Important loads shall use trip type

30、, UVT means lose voltage trip of all generators main switches interlock with shore power, SHT means emergency shutdown of E/R fans and oil pumps, accommodation fans, air condition, galley equipments, pump room exhaust fan and cargo tank gas free fan etc.6、主匯流排隔離開關是不附帶任何保護環節的斷路器, 由手動操縱其閉合或分斷。With iso

31、lating switch no protection functions to be on it, and it is turned on or off manually.7、配電電路的保護裝置，其設定值的確定是以先切斷靠近用電負荷的保護電路，然后切斷靠近電源的保護電路為原則。The determination of setting value for protection devices of distribution circuit to be on the principle, that is at first to cut-off protection circuit nearby

32、consumer load and then to cut-off protection circuit nearby MSB.8、為防止無線電干擾，在AC440V和AC220V回路中均設置濾波電容器。For against radio interfere, filters in AC440V and AC220V net are to be provided.9、儀表、開關、指示燈、按鈕、操作手柄及熔斷器等均應設有標明其用途和操作位置的耐久銘牌，自動開關和熔斷器的銘牌均應刻有過載保護整定值。Everlasting name-plates of instruments, switches, i

33、ndicate lamps, buttons, handles and fuses are to be provided. And on the name-plate of auto-switches and fuses the set value and overload protective value are to be shown. 10、配電板制造廠應根據本圖出原理圖，并經船檢審查認可后制造。According to this diagram, the detail diagram of MSB is to be submitted to the society for approv

34、al by manufacturer, and be made after approval.五、發電機主開關參數：1MQF、2MQF、3MQFThe parameter of automatic circuit breaker of generator as follows:型 號 TYPEMT10N1 1000A發電機額定電流RATED CURRENT OF GENERATORIe= 722AELECTRONICTRIPPER電子脫扣器過載預報警OVERLOAD PRE ALARM整定電流(Ir) (A)SET CURRENTIr=0.9xIe=0.9x722=649.8A整定時間(Tr)

35、 (S)SET TIME15s過載長延時LONG TIME DELAY TRIPPING WHEN OVERLOAD整定電流(Ir) (A)SET CURRENTIr=1.3xIe=1.3x722=938.6A整定時間(Tr) (S)SET TIME30s過載短延時SHORT TIME DELAY TRIPPING WHEN OVERLOAD整定電流(Im) (A)SET CURRENTIm=2.5xIe=2.5x722=1805A整定時間(Tm) (S)SET TIME0.6s過載瞬時INSTANTANEOUSTRIPPING整定電流(I) (A)SET CURRENTI= 10kA欠電壓脫

36、扣器整定值SET VOLTAGE OF LOSS VOLTAGE TRIP0.7x400V 動作時間 1s SET TIME 1s序號NO.代 號SYMBOL名 稱NAME型 號 規 格TYPE AND STANDARD數量QTY.備 注REMARK11MQF-3MQF發電機主空氣斷路器MT10N1+Mic5.0+MCH+XF+MN CDP 1000A 3抽出式Main switch of generatorDraw out type21V-3V交流電壓表F96AC-V 0-500V 500/100V3450V處劃紅線AC voltmeterRed line on 450V34V雙指針交流電壓

37、表F96D-ACB 0-500V 500/100V1450V處劃紅線Double pointer AC voltmeterRed line on 450V45V交流電流表F96AC-V0-300V 1230V處劃紅線AC ampere meterRed line on 230V51-3A交流電流表F96AC-A 0-1000A 1000/5A3722A處劃紅線AC ampere meterRed line on 722A64A交流電流表F96AC-A 0-150A 150/5A1AC ampere meter75A-7A交流電流表F96AC-A 3470A處劃紅線AC ampere meter

38、0-600A 600/5ARed line on 470A88A交流電流表F96AC-A 0-500A 500/5A1447A處劃紅線AC ampere meterRed line on 447A91-3kW功率表F96AC-KW -67.50600KW3Red line on Power meter-35kw And 450kw101Hz-3Hz頻率表F96-Hz 5565Hz3Frequency meter 114Hz雙指針頻率表F96D-HzB 5565Hz1Double pointer frequency meter 121-3功率因數表F96-COS3Power factor met

39、er131M 2 M交流電網絕緣監測儀F96-M 0-5 M2Insulation monitor14S帶并車指令的同步指示器F96-SM 1Synchroscope151LW電壓表轉換開關LW95-15 15A 500V4Changeover switch of voltmeter162LW電流表轉換開關LW95-15 15A 500V4Changeover switch of ammeter173LW發電機調速開關LW95-15 15A 500V3Speed adjust changeover184LW整步表轉換開關LW95-15 15A 500V1Switch of Synchronou

40、s meter195LW手動/半自動/自動模式轉換開關LW95-15 15A 500V1Auto/manual mode changeover206LW雙指針電壓電流表轉換開關LW95-15 15A 500V1Switch of Double pointer meter217LW發電機空間加熱開關LW95-15 15A 500V3Changeover of space heater221RPP-3RPP逆功率繼電器45KW 4s delay3SUPPLIED WITHReverse-power relayPMS23JS運行計時器6Timer of running24VER發電機電壓調整電位器3

41、Potentiometer of D/G vol. adjusting25PMS電站管理系統S6000X3+S6100X3+S66001 setPower management system261SB主開關合閘按鈕XB2BA31C3綠Turn-on button Green272SB主開關分斷按鈕XB2BA42C3紅Turn-off buttonRed283SB發電機遠程起動按鈕XB2BA31C3綠Generator Start buttonGreen304SB發電機停止按鈕XB2BA42C3紅Generator Stop buttonRed315SB發電機緊急停機按鈕XB2BA42C3紅Ge

42、nerator Emer. Stop buttonRed326SB手動解列按鈕XB2BA11C3白Step out buttonWhite337SB報警消聲按鈕XB2BA51C1黃Silencing buttonYellow348SB試燈按鈕XB2BA11C1白Lamp test buttonWhite359SB首側推開關合閘按鈕XB2BA31C1綠Turn-on buttonGreen3610SB首側推開關分閘按鈕XB2BA42C1紅Turn-off buttonRed3711SB貨油泵開關合閘按鈕XB2BA31C3綠Turn-on buttonGreen3812SB貨油泵開關分閘按鈕XB2

43、BA42C3紅Turn-off buttonRed391HL主開關合閘指示燈XB2BVM3C 220V3綠Turn-on indicationGreen402HL主開關分斷指示燈XB2BVM4C 220V3紅Turn-off indicationRed413HL岸電開關合閘指示燈XB2BVM3C 220V1綠Turn-on indication of shore powerGreen424HL岸電開關分閘指示燈XB2BVM4C 220V1紅Turn-off indication of shore powerRed435HL首側推合閘指示燈XB2BVM3C 220V1綠Turn-on indic

44、ationGreen446HL首側推分閘指示燈XB2BVM4C 220V1紅Turn-off indicationRed457HL整步指示燈XB2BVM1C 220V2白Synchronous indicationWhite468HL主開關儲能指示燈XB2BVM4C 220V3紅CB energy storageRed479HL應急發電機投入指示燈XB2BVM4C 220V1紅Running indication of E/GRed4810HL低壓放電指示燈XB2BVM3C 220V1綠Ind. of chargingdis. board Green4911HL發電機空間加熱指示燈XB2BVM

45、6C 220V3藍Ind. of space heaterBlue5012HL手動狀態指示燈XB2BVM5C 220V1黃Ind. Of manual state Yellow5113HL半自動狀態指示燈XB2BVM5C 220V1黃Ind. Of semi. auto state Yellow5214HL自動狀態指示燈XB2BVM5C 220V1黃Ind. Of auto. state Yellow5315HL貨油泵合閘指示燈XB2BVM3C 220V3綠Turn-on indicationGreen5416HL貨油泵分閘指示燈XB2BVM4C 220V3紅Turn-off indicati

46、onRed55PCL報警板1PCL ALARM PANEL561TV匯流排電壓互感器JGD-0.5TH 500V/100V6Vol. transformer of bus-bar572TV發電機電壓互感器JGD-0.5TH 500V/100V6Vol. transformer of D/G581TL配電屏前照明變壓器3Transformer of panel591CT發電機電流互感器LQG-0.5 1000A/5A6Current transformer of D/G602CT首側推電流互感器LQG-0.5 500A/5A1Current transformer of B.T.613CT貨油泵

47、電流互感器LQG-0.5 600A/5A3Current transformer of COP62KA中間繼電器按需Auxiliary relay63隔離開關OETL1600k31Breaker of bus-bar641GST9GST機艙風機磁力起動器單元熱元件27.6/32ATHERMAL ELE. 27.6/32A21只可逆轉Starter of E/R vent. FanOne revesible652GST主機滑油備用泵起動器單元熱元件55.8/85ATHERMAL ELE. 55.8/85A1SEQ1:0sStarter of M/E L.O. standby pump663GST

48、11GST主機海水泵起動器單元熱元件38.7/45ATHERMAL ELE. 38.7/45A2SEQ2:5sStarter of M/E S.W. pump674GST11GST主機淡水泵起動器單元熱元件20.5/32ATHERMAL ELE. 20.5/32A2SEQ2:5sStarter of M/E F.W. pump685GST燃料油輸送泵起動單元熱元件10.5/16ATHERMAL ELE. 10.5/16A1Starter of F.O. transfer pump696GST14GST輔機海水冷卻泵起動器單元熱元件19.6/22ATHERMAL ELE. 19.6/22A2St

49、arter of A/E S.W. cool. pump707GST15GST專用壓載泵磁力起動器單元熱元件52.3/63ATHERMAL ELE. 52.3/63A2Starter of special ballast pump718GST16GST消防泵起動器單元熱元件80.1/120ATHERMAL ELE.80.1/120A2Starter of fire pump7210GST滑油輸送泵起動單元熱元件6.72/7.2ATHERMAL ELE.6.72/7.2A1Starter of L.O. transfer pump7313GST柴油輸送泵起動單元熱元件6.72/7.2A7.2A1

50、Starter of D.O. transfer pump741-1自動空氣斷路器NS100N TM 40 MX40/1001SHT:ES1Automatic circuit breaker插入式751-2自動空氣斷路器NS100N TM 63 MX63/1001SHT:ES2Automatic circuit breaker插入式761-3、9-3自動空氣斷路器NS100N TM 50 50/1002Automatic circuit breaker插入式771-4、9-4自動空氣斷路器NS100N TM 2525/1002Automatic circuit breaker插入式781-5自

51、動空氣斷路器NS100N TM 16 MX16/1001SHT:ES2Automatic circuit breaker插入式791-6、9-6自動空氣斷路器NS100N TM 25 25/1002Automatic circuit breaker插入式801-7、9-7自動空氣斷路器NS100N TM 5050/1002Automatic circuit breaker插入式811-8、9-8自動空氣斷路器NS100N TM 100 100/1002Automatic circuit breaker插入式829-1自動空氣斷路器NS100N TM 4040/1001Automatic circuit breaker插入式839-2自動空氣斷路器NS100N TM 16 MX16/1001SHT:ES2Automatic circuit breaker插入式849-5自動空氣斷路器NS100N TM 16 MX16/1001SHT:ES2Automatic circuit breaker插入式852-1自動空氣斷路器NS100 MA 150/1001瞬動(INST)Automatic circuit breaker插入式862-2自動空氣斷路器NS100N TM 25 25/1001Automatic circuit breaker插入