... mở lớn) điện áp tải đ-ợc tính: Trong đó; U do = 1,17.U2f. điện áp chỉnh l-u tia ba pha khi van la diod. U2f- điện áp pha thứ cấp biến áp. So với chỉnh l-u một pha, thì chỉnh l-u tia ... sáu pha)12(3sin13UdoUdA**RL*T1BT2CT3T4A*T5B*T6C*tABCA*B*C*Chng 3 : Chọn sơđồmạch động lực.I.I. Tóm tắt lý thuy tĐể cấp nguồn cho tải một chiều, ... khiển và chỉnh l-u có điêu khiển. Với mục đích giảm công suất vô công, ng-ời ta th-ờng mắc song song ng-ợc với tải một chiều một diod (loại sơđồ này đ-ợc gọi là sơđồ có diod ng-ợc). Trong...
... Speed Solenoid Valve Swing Parking Brake Solenoid Valve Valve (Hydraulic Activation) Solenoid Valve (Hydraulic Actation) Accumulator Reducing Valve (Boom/Swing Priority Mode) Pressure Sensor ... Stick I Control Valve Swing Control Valve Left Travel Control Valve Straight Travel Control Solenoid Right Travel Control Valve Attachment Control Valve Bucket Control Valve Boom I Control ... DCBAUPn2B8B7B6CB5B4B3B2B1A8A7A6A5A4A3A2A1CLOSEOPENSDrSTSP1SP2Pi3 Di3DSTPRPLAR4R1BR4AR3BR3AR2BR2SPiSP3AR1BR1BR5PB6DB6PB2PB1DOWNLRINDi4Pi4AL1UPOUTbL3AR5PmG2G1AL4DB1BL1DB2AL2A BPB5A1BL2BPiAL3R2G4BP3G3BP2bR4aR5Pi1aR4bR5HRDi1aR3bR3aR2bR2aR1bR1aL1bL1Dr2HLPs2aL2bL2bL4Pi2aL4Di2DB5Pp3R3Pp3DRNO1(SWBL3aL3MUDRABPGPILOT...
... Control Valve SMCS - 5051 Shutdown SIS Previous ScreenProduct: EXCAVATOR Model: 320C EXCAVATOR MAC Configuration: 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine ... Straight travel solenoid valve (11) Right travel control valve (12) Attachment control valve (13) Bucket control valve Page 1 of 10320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED ... located in the hydraulic system between the main pumps and actuators (cylinders and motors). Depending on the machine operation, the oil flow from right pump (43), left pump (41) and pilot pump (42)...
... The hydraulic horsepower remains constant even though the delivery pressure and the flow rates change. The hydraulic horsepower is approximately identical to the engine horsepower. When no ... mode or swing priority mode) (22) Pressure sensor (left pump) (23) Solenoid valve (swing parking brake) (24) Hydraulic activation valve (25) Solenoid valve (hydraulic activation) Page 2 of ... Main Hydraulic Schematic Shutdown SIS Previous ScreenProduct: EXCAVATOR Model: 320C EXCAVATOR MAC Configuration: 320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine...
... g00748938Ports and solenoids at pilot manifold (45) Swing parking brake solenoid valve (46) Valve (hydraulic activation) (52) Travel speed solenoid valve (54) Hydraulic activation solenoid valve ... Pilot manifold (52) Travel speed solenoid valve (53) Passage (54) Hydraulic activation solenoid valve Page 2 of 6320C U & 320C LU Excavators MAC00001-UP (MACHINE) POWERED BY 3066 Engine(S ... passage (56) flows to travel speed solenoid valve (52). When the travel speed switch on the right console is set at the HIGH SPEED position, the travel speed solenoid valve opens. This allows...
... AS.IMPLEMENTPRESSURE106-0179SENSOR GPPUMP DRIVEPRESSURE221-8869SENSOR GPPUMP DRIVENPRESSURE221-8869VALVE GPLOCK SOL121-1491VALVE GPSWINGBRAKE SOL121-1491VALVE GPTRAVELSPEED SOL121-1491FILTER ... CLOSE DOWNUPP1P2 Pi1 P-IN PSA2 DR1 PSA1T-OUT2 DR2DR3 DR4 Pi2 DR5 DR6T-OUT1B1A1A2B2OUTTPGPCINPi1PS1D0A4 B1 Dr1 Di PS2 PBPi2a2a5A2a3PSVA1a1a4aL5DrHLR2XdL5 (IN,OUT)(DOWN)(OPEN)bL2(FWD)Pp1PiHdST1(FWD)(L)dSWPiL(IN)dR5APi2dR4R1YAR4R3HR(UP)aL4ADrAPi(OUT)(R) ... SCHEMATIC IS FOR THE 345CPart #: 230-2696 HE 05Components are shown installed on a fully operablemachine with the key and engine off and transmissionshifter in neutral.LINE PATTERNSDrain / Return...