IC693MDL741

由于直流环节使用了电感元件，其对电流不够敏感，因此不容易发生过流故障，逆变器工作也很可靠，保护性能良好。其输入侧采用可控硅相控整流，输入电流谐波较大。变频装置容量大时要考虑对电网的污染和对通信电子设备的干扰问题。均压和缓冲电路，技术复杂，成本高。由于器件较多，装置体积大，调整和维修都比较困难。逆变桥采用强迫换流，发热量也比较大，需要解决器件的散热问题。其优点在于具有四象限运行能力，可以制动东芝CT维修。需要特别说明的是，该类变频器由于较低的输入功率因数和较高的输入输出谐波，故需要在其输入输出侧安装高压自愈电容。                        

ALFA LAL 19-983-1-316L 770594 TRI-CLOVER 1IN VALVE STEM STAINLESS D288952

ALFA LAL NB-1068B-3 VALVE PLUG STEM 3IN REPLACEMENT PART D362438

DRESSER 532B-117-01 MOVEMENT PART REPLACEMENT PART D405223

URSCHEL 19618 2IN ID 68 TOOTH GEAR PLASTIC D390792

SEMTORQ 3025 LOWER EXTRACTOR STEEL GEAR D482461

DODGE 275705 GEAR REDUCER MOUNTING PLATE D502417

KEY INDUSTRIAL 500-3600 VALVE STEM REPLACEMENT PART D393345

TUCHENHAGEN 221-304.04 SEAL KIT REPLACEMENT PART D347558

PARKER 1158 110 SEAL KIT BUNA REPLACEMENT PART D351391

GEMINI 615 ELECTRIC 120V-AC 0.50A AMP ACTUATOR D407036

ATRA-FLEX M3 FLEXIBLE INSERT & RING COUPLING REPLACEMENT PART D499639

ASCO 162-261 REPAIR REBUILD KIT SOLENOID VALVE D489069

PARKER PL2425P VALVE LEVER ARM KIT REPLACEMENT PART D435642

CASCADE 671568 LIFT TRUCK TUBE 11/16IN THREAD REPLACEMENT PART D355946

TRI CLOVER 19-1308A-4-316L VALVE STEM ASSEMBLY 4 IN D442163

OILGEAR L51891-030 25/60 CU CONT SEAL KIT HYDRAULIC PUMP D395493

082-51602 46TOOTH 1-5/32IN ID 4-11/16IN OD GEAR D503533

BRAY 300300-92901580 STAINLESS BUTTERFLY VALVE STEM REPLACEMENT PART D393431

PGI M-750SCJ MANIFOLD 3 WAY VALVE DIFFERENTIAL PRESSURE TRANSMITTER PART B494735

INDAG 60024130 30-7/8IN LENGTH 25X29X35MM OD STEEL SHAFT D402672

INDAG 50034325 1-3/16 IN BORE BEVEL GEAR REPLACEMENT PART D426365

WARNER ELECTRIC 5371-451-011 FIELD & ADAPTER MAGNET HUB CLUTCH/BRAKE D315937

LIMITORQUE SMB-000 GEARBOX ASSEMBLY 3/4IN BORE GEAR REPLACEMENT PART B477122

PARKER 904898 BALANCE HYDRAULIC VALVE D488140

STEARNS 63646060946L 380/460V-AC BRAKE COIL D510279

DOUGLAS MACHINE F264761 PUMP SHAFT STEEL D329434

DODGE D-2590-016 VARIABLE SPEED HOUSING HALF PULLEYS D370839

BOSTON GEAR JS200B STAINLESS 1IN BORE UNIVERSAL JOINT U-JOINT D354709

FORMSPRAG FS-02/250 LH CLUTCH REPLACEMENT PART D378182

WAUKESHA 3028468 CHERRY-BURRELL SEAT BUTTERFLY VALVE D302780

ROSEMOUNT 01151-0030-0001 REPAIR KIT TRANSMITTER REPLACEMENT PART D308757

MCGILL MI-15 INNER RING RACE BEARING REPLACEMENT PART D465537

PARKER 202713 CAP SEAL KIT SOLENOID VALVE REPLACEMENT PART D364903

BROWNING NCG2061 CHANGE GEAR D404103

NORD GEAR 51572010 OUTPUT PINION GEAR REPLACEMENT PART D369205

23820 HELICAL GEAR 22MM BORE REPLACEMENT PART D369613

TWIFLEX 7080011-Z ORGANIC BRAKE PAD REPLACEMENT PART D358375

TRI CLOVER R300E-4-35-316 PUMP SLEEVE LOCATOR STAINLESS REPLACEMENT B239079

LADISH 19-1254-2-316 VALVE STEM REPLACEMENT PART D238478

LIQUIFLO 620802 CENTRIFUGAL PUMP SPACER PLATE STEEL D485781

MILLER FLUID POWER 1-070-CRK01-200?-63 HYDRAULIC CYLINDER REPAIR KIT D435324

ANDERSON GREENWOOD M4IS 02-2565-541 VALVE MANIFOLD REPLACEMENT PART B341598

ABCO B14NVT12 VALVE PILOT TUBE 1/8 IN 9000PSI 12 IN TUBE D453870

NELES JAMESBURY LK-QP3 ACTUATOR TO VALVE ADAPTER ASSEMBLY STEEL D498739

FISHER 1B600735072 TYPE F GROOVED HEADLESS PIN REPLACEMENT PART D408812

OYSTAR 96BA-428-0700-B CLEANING BRIDGE GUIDE RING REPLACEMENT PART D452824

NUMATICS 236-249B COIL 24V-DC SOLENOID VALVE REPLACEMENT PART D438982

NPS 410960153 IDLER ROLLER ASSEMBLY 11-1/4X1IN BORE CONVEYOR REPLACEMENT B274393

FLOWSERVE 18052 WEAR RING STEEL PUMP IMPELLER REPLACEMENT PART B488978

BARRY-WEHMILLER 108X55039 CHUCK SEAT 3-5/8 IN OD 2-7/16 IN ID D435027

KEENE TECH P0775 PAD BRAKE REPLACEMENT PART D284175

HONEYWELL MP918B 1006 2 0650 3-13PSI 29PSI-MAX SPRING DAMPER ACTUATOR B285390

METSO RKN107MT REPAIR KIT SEAL BALL VALVE REPLACEMENT PART B407905

RA JONES FL-C1P-007-03 STAINLES STEEL WIPER SEAL REPLACEMENT PART D239949

C2120H CONNECTING LINK 3 IN PITCH D447574

VICKERS 6332U-028 REPAIR KIT HYDRAULIC CYLINDER REPLACEMENT PART B371009

WALCHEM 994-1470 WALTHAM PUMP REPAIR KIT REPLACEMENT PART B479890

FOXBORO STAINLESS ORIFICE PLATE 1.5X1.52 IN INLET 75GPM TRANSMITTER D470627

DODGE RELIANCE 6017071 A1775 TIGEAR 7/8IN OUTPUT PLUG-IN I/P SHAFT D406069

ASCO 081605 RED-HAT REBUILD KIT D425121

BABCOCK WILCOX 4X8 PRN-O 18IN OD 2-5/8IN ID 4 VANE PUMP IMPELLER D439438

PARKER P02824H53 120V-AC SOLENOID VALVE COIL D507905

SPRAY DYNAMICS PIS 10029 PISTON STEEL REPLACEMENT PART D392817

RAMSEY 4B 3/4 IN ROUGH BORE GEAR REPLACEMENT PART D419354

MAC 92A-000-BKA-000?005 1/4IN NPT BASE SOLENOID VALVE REPLACEMENT PART D379199

STONEL PM3311S02RS VALVE POSITION SENSOR 24-125V AC 8-125V DC D268316

AZO 23164150 ROTARY VALVE LANTERN RING REPLACEMENT PART D232954

ASCO CS27-476-1 VALVE 1IN ID 120V-AC SOLENOID COIL B415035

SMC P304050-8 CRQ ROTARY REPAIR SEAL KIT ACTUATOR REPLACEMENT PART B418400

LEWIS PUMPS 55456 E 6 VANE 1 IN STAINLESS PUMP IMPELLER REPLACEMENT PART B491211

NUMATICS BKF32A PNEUMATIC FILTER BOWL ASSEMBLY D505009

TRI CLOVER K-645-TV-3-316L STAINLESS BREATHER CAP 3 IN TRI-CLAMP D440133