140DAI45300
汽輪機通常采用定－滑－定啟動模式。汽輪機啟動階段，鍋爐燃燒率維持不變。汽輪機所需的啟動蒸汽壓力由旁路系統(tǒng)控制，維持不變。蒸汽溫度由鍋爐溫控系統(tǒng)控制，維持不變。機組并網(wǎng)帶負荷且旁路閥全關(guān)后，逐漸增加鍋爐燃燒率，蒸汽升溫、升壓，滑參數(shù)加負荷。正常運行時，可由汽機或鍋爐維持蒸汽壓力不變，鍋爐溫控系統(tǒng)維持蒸汽溫度不變，通過改變汽機的調(diào)門、鍋爐燃燒率和給水量，以滿足電網(wǎng)對發(fā)電機功率的要求。
在ATC方式下，若機組的某些主要運行參數(shù)超出正常范圍，系統(tǒng)將發(fā)出報警信號及保持指令。若熱應(yīng)力計算有效，系統(tǒng)將給出建議的負荷率。
1) 升速控制
根據(jù)機組熱狀態(tài)，可控制機組全自動按經(jīng)驗曲線完成升速率設(shè)置、暖機、過臨界轉(zhuǎn)速區(qū)，直到3000r/min定速。操作員可通過修改目標(biāo)轉(zhuǎn)速、升速率或按保持按鈕，對升速過程進行手動控制。在ATC方式下，系統(tǒng)根據(jù)機組熱應(yīng)力及機組運行參數(shù)，可自動給出保持指令，以控制啟動過程。
2) 同期并網(wǎng)
DEH可與自動準(zhǔn)同期裝置配合，將機組轉(zhuǎn)速調(diào)整到與電網(wǎng)同步的轉(zhuǎn)速，以便迅速完成并網(wǎng)操作。并網(wǎng)時，發(fā)電機自動帶上初負荷。
3) 負荷控制
機組并網(wǎng)后，系統(tǒng)可在閥控、功控、壓控及CCS方式間無擾切換。
在閥控方式下，可設(shè)置目標(biāo)閥位和閥位變化率，改變汽輪機調(diào)節(jié)閥的開度，從而調(diào)整機組負荷。
140DAI45300
_________________________________________
〖廈門光沃自動化設(shè)備有限公司 竭誠為您服務(wù)〗
〖：歐工 〗
〖(同號) 〗
〖: 2479261344 〗
〖
【價格】如此低價,*
【貨期】大量現(xiàn)貨,下單后即可發(fā)貨
【質(zhì)量】*,進口***
【保障】產(chǎn)品經(jīng)過專業(yè)檢測，質(zhì)保一年,15天包退換
【品牌】Allen-Bradley羅克韋爾、ABB、本特利Bently 3500系統(tǒng)卡件、GE、艾默生西屋等模塊卡件
______________________________________________
MEASUREX CURRENT LOOP COMMUNICATIONS 04357400 REV A
Measurex 08379800 serial interface backplane Honeywell
Measurex 05293701 video memory 3 channel Honeywell
Measurex 05330400 backplane for computer rack/chasis
Measurex 05329900 converter 24 / 12 volt multisensor
Measurex 08353403
Measurex servo motor part# 08323300 and part# 08722202
Measurex 05330500 assembly c/m station interface
Measurex 05319100 high density contact output buffer
Measurex 05329500 & 05329600 diagnostic break point
Measurex 05331100 VFC, 40 - 500k Honeywell
Measurex 22000052 solenoid valve MAC 3 way NC NO 24VDC
Measurex 05289900 power fail restart Honeywell
Measurex 05265200 serial input / output Honeywell
Measurex 05265000 Serial Interface #1 Honeywell
Measurex 05360500 Lamp supply color sensor Honeywell
Measurex 20000268 Microprocessor CPU LSI 11/02
Measurex 05331100 VFC, 40 - 500k Honeywell
Measurex Rad Light Control 05285200
Magton Inc Solenoid 230025/51973 Measurex PN 22000071
Measurex 05293700 video memory 4 channel Honeywell
Measurex , Honeywell power supply part # 40-77
Measurex 05319005 ECC memory controller, Honeywell
Measurex 05334700 Memory Module 1024K x 22 paper gauge
Measurex 05316200 termimation back plane dual 4 positn
Honeywell Measurex Amplifier Board 05277500
Honeywell/Measu?rex: 09437300 UAP, Unitec Applicatn Proc
Measurex 05321100 Thermal predictor board Honeywell
Measurex 05268103 Receiver power supply / temp 05268100
Honeywell/Measu?rex: 09437310 UAP, Unitec Applicatn Proc
Measurex 45000023 relay, 10A 125V 60hz 120v coil
Measurex 20000269 Memory 32K RAM Honeywell paper gauge
Honeywell Measurex MxOpen RS485 com w/AB term board NEW
Measurex 2000269 memory 32K LSI-11 CPU
Measurex 1353XPB Scanner Motor Driver Board
Measurex 07388000 regulator fairchild 4" w.c. 5 psig
Honeywell Measurex MxOpen Analog Input module 69AOCU01
Honeywell Measurex MxOpen Analog Out module 69AOCU01
Honeywell/Measu?rex: 08621100 PCBA MX-64 CPU (w/ RAM)
MEASUREX POWER SUPPLY 08473600 REV K FUSED 120VAC 5V DC
Honeywell/Measu?rex: 08546401 PCBA MX-63 CPU w/ ECC-MEM
Part #08546401 Mx63 CPU bundled w/ #05373000 ECCMEM PCB
MEASUREX 08597401 NSPP 08597401
MEASUREX 053630-00 NSPP 05363000
MEASUREX 043754-00 USPP 04375400
MEASUREX 08595802 USPP 08595802
MEASUREX 6561440023 NSPP 6561440023
MEASUREX 6543160032 NSFP 6543160032
MEASUREX 6561440029 NSFP 6561440029
MEASUREX 6561520034 NSPP 6561520034
MEASUREX 05291800 USPP 05291800
MEASUREX 20000981 NSFP 20000981
Measurex 05287300 Extended Memory Mapper Controller
Measurex 05291200 Contact I/O Honeywell
Measurex 05317003 Q bus E Prom Memeory OCC Prom #2
MEASUREX 053440-01 USPP 05344001
Measurex 05330700 Plasma display driver typ 2 Honeywell
Measurex 05291202 Contact I/O Honeywell
MEASUREX 053596-01 USPP 05359601
MEASUREX 053450-01 USPP 05345001
Measurex PCB Board 4-28883-01 ___H151
Honeywell/Measu?rex: 08562103 PCBA GP-63 Graphics Proc.
Measurex 05267700 Low Current HV Inverter Honeywell
Honeywell Measurex MxOpen expanded memory manager new
MEASUREX 094374-01 USPP 09437401
MEASUREX 053596-01 NSPP 05359601
Measurex 40000368 Bertan Model 2743 Power Supply
Honeywell Measurex MxOpen 4DP7APXDH233 daata hiway IF
Measurex 05290200 Real Time Clock
MEASUREX 053669-01 USPP 05366901
Measurex 05341407 Q Bus EPROM memory type 2 PCBA
Measurex 39000201 lamp Moisture sensor 6V20W Honeywell
Measurex 05298800 source control Honeywell
Measurex 2000283 CPU microcomputer, LSI 11/23 Honeywell
Measurex 05277500 detector amplifier Honeywell
Measurex 05330200 Plasma display electronics Honeywell
Honeywell Measurex MxOpen memory board 4DP7APXPM155 NIB
MEASUREX F/O PC BOARD SWITCHOVER MODULE 05342400
Measurex 05341406 QBUS EPROM memory type 2 PCBA ISM
Measurex 05317002 QBUS EPROM memory type 2 PCBA OCC
Measurex 05291000 Honeywell replaced # 05367601
Measurex 05293500 X-Ray Controller Honeywell
Measurex 05294000 printer plotter controller Honeywell
Measurex 05295000 Q buss termination Honeywell
Measurex 05312900 floppy interface Honeywell
