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4) OPC超速限制
在傳統(tǒng)DEH OPC控制邏輯中,當實際轉(zhuǎn)速超過3090r/min,則OPC電磁閥動作關(guān)調(diào)門。若發(fā)生遠方線路開關(guān)跳閘甩負荷時,分出來的孤立電網(wǎng)。在一次調(diào)頻的作用下,對應(yīng)的穩(wěn)態(tài)轉(zhuǎn)速若高于103%,系統(tǒng)會出現(xiàn)連續(xù)振蕩,而導(dǎo)致系統(tǒng)崩潰。
此DEH只在油開關(guān)斷開期間保留了103%超速限制功能,因此不會出現(xiàn)上述振蕩。同時增加了判斷加速度大輸出OPC功能,使機組在各種甩負荷工況下具有良好的動態(tài)特性,經(jīng)過一次振蕩即能達到穩(wěn)態(tài)。圖7所示為甩100%負荷時的轉(zhuǎn)速曲線圖。
BOSCH REXROTH 8901 702 870 Filter C15
REXROTH R911295558,MSM030C-0300-NN-M0-CG0
BOSCH 0608820071, 3 MD 035
REXROTH R911261691,AS161/039-000
Rexroth R039170005,ESD-MP3005
Rexroth R039170004,ESD-MP3003
BOSCH REXROTH / 0608PE0006
BOSCH / REXROTH R106723000, LSGO-M-30-DD
INDRAMAT NFD03.1-480-007
BOSCH REXROTH R182142366, 1821-423-66-GR45H
REXROTH 0 822 354 007
REXROTH R900567512,4WE 6 D62/OFEG24N9K4
BOSCH REXROTH 0 0 822 010 733
BOSCH REXROTH R200219332
REXROTH R117500151
BOSCH / REXROTH R107163020, linear Set
REXROTH BOSCH GROUP 0608830171, ML 036
REXROTH 00417568, Z1S 6 P1-33/V
REXROTH R900483786,00483786, ZDR 6 DP2-43/75YM
REXROTH 0608830192,3608872562 + 3608872563
REXROTH R412007109,AS3-RGS-G038-GAU + R412004418
REXROTH BOSCH GROUP 0608830233, BL 002
BOSCH REXROTH 5351230060,Filter F 5μ AD MB,C25i
Rexroth AL Scharnier/ Hinge (1PE=2Stk./1PU=2Pc.), 3 842 535644
BOSCH REXROTH 3 608871 391
BOSCH REXROTH 0821302713, Druckminderer
Mechman (Rexroth), System 580 5/2 and 5/3 valves, M3215 0300U-NE002-241112
REXROTH R060202010 , KBM-20-DD, Standard
Rexroth, 0821302711,7290 + 1827231048
REXROTH R117500153,Dose-Stecker
REXROTH BOSCH GROUP 0608830185, BL 0.5
BOSCH REXROTH 1822124003,Gelenkkopf
BOSCH REXROTH 3608871392, Blindplatte
REXROTH R065802000
REXROTH R117500150,Winkel
REXROTH 532-401-112-0
RIGAKU RS-P1100-3
RIGAKU 4259C205
RIGAKU 4259C303
RIGAKU 4259B2, R2HV
Rigaku X-Ray Filament SFP7, D2H65E
Rigaku Window 3199B012
RIGAKU BZ-2RW82-J