IC660BBD023

IC660BBD023

IC660BBD023

IC660BBD023

   从前面的分析中可以得知，在进行起动过程控制时，主要是对柴油机转速的检测、机油管路内油压的检测、油水温度的检测。采用PCC 进行快速运算及判断，确定点火转速，对起动接触器、调速器内DLS线圈等进行实时控制。 
       3.1 控制电路 
       图1为采用PCC 进行柴油机起动控制的接线简图。与目前的控制方法相比， 减少了时间继电器（1SJ），由PCC 内部的软继电器来实现，增加了转速传感器、温度传感器和压力传感器。该电路实现了起延时控制，蓄电池供电控制、供油齿条控制以及油压保护电路与起动电路的分离。 

图l 柴油机起动PCC 控制接线简

       3.2 起动流程图 

图2 启动流程图

       3.3 点火转速的确定 
       柴油机起动过程是否点火，可以采用转矩随转速的变化而定，东风4型机车阻力特性实验实侧的运动阻力转矩、电机驱动转矩、加速转矩与电机转速的关系如图3 所示。 
       由柴油机起动系统的运动方程： 

图3 空点火前后启动转矩、阻力转矩、加速转矩的变化曲线 

       式中：Ms：起动电机的电磁转矩，Nm； 
       Me：归算到起动电机的柴油机阻力转矩，Nm； 
       GD2 ：归算到起动电机的柴油机阻力转矩，kg㎡。 

       当柴油机拖动转加速后，dMa / dn ，将由负值向正值逐步变化。当dMa / dn＝O 其转速即为点火转速。 

       经实际测试计算，东凤4系列机车柴油机起动时点火转速不会超过15Or / min 。由此可选定15Or/min 为其点火转速。 

CONTROL TECHNIQUES 

EMERSON CONTROL TECHNIQUES SERVO MOTOR CONTROLLERS
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Control Techniques Motor GEPM50 24v
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Handbook of Remote Control & Automation Techniques (1979)
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Natural Techniques for Blood Pressure Control" DVD
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Strategic Planning and Control Techniques for Profit by Bruce M. Bradway, Robert E. Pritchard (1981, Paperback)
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Control techniques EN-204-00-000 P/N 960500-10 Rev: A1
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SE 23400150 Control Techniques Commander SE 2HP Drive
380/480V 3Ph! In Great Shape! Super Clean & Tested!
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Tools OTC Techniques GM Computerized Engine Controls
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OTC TOOLS & TECHNIQUES 1986 GM COMPUTER ENGINE CONTROLS
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OTC TOOLS & TECHNIQUES GM ENGINE CONTROLS 1988---------
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Tools & OTC Techniques GM Computerized Engine Controls~
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SE 2D200220 Control Techniques Commander SE Drive
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EMERSON/CONTROL TECHNIQUES COMMANDER CD II 220 **XLNT**
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CONTROL TECHNIQUES NTE-320-CONS-0000 SERVO MOTOR**NIB**
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EMERSON/CONTROL TECHNIQUES 566-857-000/M75R-14M**XLNT**
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CONTROL TECHNIQUES SP1403-ICD AC SERVO DRIVE **XLNT**
CONTROL TECHNIQUES 200 X 25/50 DC SERVO DRIVE *NIB*
CONTROL TECHNIQUES MDA2B/MDA-2B INTERFACE BOARD*XLNT*
Emerson DXE-455C / Control Techniques / MTS servo motor
Parker-Hannifin / Custom Server Motor MPM114FRM-AM
CONTROL TECHNIQUES QUANTUM III SIDE PANELS**XLNT**
CONTROL TECHNIQUES MDA3/MDA-3 FIELD CONTROLLER**XLNT**
CONTROL TECHNIQUES MDA2/MDA-2 INTERFACE BOARD*XLNT*
CONTROL TECHNIQUES M45/9500-8302 MENTOR/QUANTUM BASE 
CONTROL TECHNIQUES 9500-8302 QUANTUM III MID SECTION 
CONTROL TECHNIQUES CMDS-015 USPP CMDS015
CONTROL TECHNIQUES 9500-8303 QUANTUM III MID SECTION 
CONTROL TECHNIQUES M75/9500-8303 MENTOR/QUANTUM BASE 
Emerson Control techniques FM-3DN P/N 960506-02 rev. A5
CONTROL TECHNIQUES EI-205-00-000 INDEXING SERVO DR *NIB
CONTROL TECHNIQUES CFOS-005 NSPP CFOS005
CONTROL TECHNIQUES DIN3380150BM DINVERTER 
CONTROL TECHNIQUES UNI1402 UNIDRIVE 2HP AC DRIVE *XLNT*
Control techniques DXM-205 PN: 861114-50 A3
Control Techniques NTM-330-CONS-W024 | Servo Motor *NNB
Control Techniques NTM-330-TONS-KE05 | Servo Motor
NEW IN BOX VARIABLE SPEED AC CONTROL TECHNIQUES DRIVE
CONTROL TECHNIQUES UNI1403 3HP 460VAC DRIVE **XLNT**
CONTROL TECHNIQUES V400 FLUX VECTOR DRIVE **XLNT**
Control Techniques NTE-207-TONS-0000 Servo Motor
CONTROL TECHNIQUES RC-030 USPP RC030
CONTROL TECHNIQUES 9500-8602 QUANTUM III DC DRIVE*XLNT*
Advanced Computing Concepts and Techniques in Control Engineering (1988, Hardcover)
CONTROL TECHNIQUES UD-BV-1 USPP UDBV1
CONTROL TECHNIQUES MGE-455-CONS-0000 SERVO MOTOR 
Control Techniques Worldwide Dinverter DIN1220150B 
CONTROL TECHNIQUES FCR-025 NSFP FCR025
CONTROL TECHNIQUES RU-653 NSPP RU653
CONTROL TECHNIQUES TIA-025 NSFP TIA025
CONTROL TECHNIQUES 6180-9007 NSFP 61809007
CONTROL TECHNIQUES SE51 NSPP SE51
Tools OTC Techniques GM Computerized Engine Controls
CONTROL TECHNIQUES ECF-015/810492-15 CABLE ***NIB***
Controls from Within by David Wineman, Fritz Redl (1965, Paperback)
CONTROL TECHNIQUES PTOOLS-FM NSFP PTOOLSFM
CONTROL TECHNIQUES 2400-9002 NSFP 24009002
CONTROL TECHNIQUES SKB3400055 NSFP SKB3400055
CONTROL TECHNIQUES SKB3400110 NSFP SKB3400110
CONTROL TECHNIQUES SKBD200150 NSFP SKBD200150
CONTROL TECHNIQUES DCN-93825 USPP DCN93825
CONTROL TECHNIQUES UBDV3 USPP UBDV3
Control Techniques DB220 Digit AX Brushless Servo Drive
Control Techniques DB220 Digit AX Brushless Servo Drive
CONTROL TECHNIQUES 5K POTENTIOMETER (SET OF 6) NNB!!
New Control Techniques Focus 3 Toggle Switch
CONTROL TECHNIQUES SKKEYPADREMOTE NSFP SKKEYPADREMOTE
CONTROL TECHNIQUES SMIOLITE NSFP SMIOLITE
CONTROL TECHNIQUES M155R-14ICDQ USPP M155R14ICDQ
CONTROL TECHNIQUES 960503-01 NSFP 96050301