Ucdi274k Winding 17 Technical Data Sheet-Free Books

UCDI274K Winding 17 Technical Data Sheet
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SPECIFICATIONS OPTIONS,STANDARDS WINDINGS ELECTRICAL PERFORMANCE. Stamford industrial generators meet the requirements of All generator stators are wound to 2 3 pitch This eliminates. BS EN 60034 and the relevant section of other international triplen 3rd 9th 15th harmonics on the voltage waveform. standards such as BS5000 VDE 0530 NEMA MG1 32 IEC34 and is found to be the optimum design for trouble free supply. CSA C22 2 100 AS1359 of non linear loads The 2 3 pitch design avoids excessive. Other standards and certifications can be considered on neutral currents sometimes seen with higher winding pitches. request when in parallel with the mains A fully connected damper. winding reduces oscillations during paralleling This winding. VOLTAGE REGULATORS with the 2 3 pitch and carefully selected pole and tooth. designs ensures very low waveform distortion,SX460 AVR STANDARD. TERMINALS TERMINAL BOX, With this self excited control system the main stator supplies. power via the Automatic Voltage Regulator AVR to the exciter Standard generators are 3 phase reconnectable with 12 ends. stator The high efficiency semiconductors of the AVR ensure brought out to the terminals which are mounted on a cover at. positive build up from initial low levels of residual voltage the non drive end of the generator A sheet steel terminal box. The exciter rotor output is fed to the main rotor through a three contains the AVR and provides ample space for the. phase full wave bridge rectifier This rectifier is protected by a customers wiring and gland arrangements It has removable. surge suppressor against surges caused for example by short panels for easy access. circuit APPROVED DOCUMENT SHAFT KEYS, All generator rotors are dynamically balanced to better than. With this self excited system the main stator provides power via BS6861 Part 1 Grade 2 5 for minimum vibration in operation. the AVR to the exciter stator The high efficiency semi. conductors of the AVR ensure positive build up from initial low. levels of residual voltage INSULATION IMPREGNATION. The exciter rotor output is fed to the main rotor through a three. phase full wave bridge rectifier The rectifier is protected by a The insulation system is class H. surge suppressor against surges caused for example by short All wound components are impregnated with materials and. circuit or out of phase paralleling processes designed specifically to provide the high build. The AS440 will support a range of electronic accessories required for static windings and the high mechanical strength. including a droop Current Transformer CT to permit parallel required for rotating components. operation with other ac generators,QUALITY ASSURANCE.
Generators are manufactured using production procedures. This sophisticated AVR is incorporated into the Stamford having a quality assurance level to BS EN ISO 9001. Permanent Magnet Generator PMG control system, The PMG provides power via the AVR to the main exciter The stated voltage regulation may not be maintained in the. giving a source of constant excitation power independent of presence of certain radio transmitted signals Any change in. generator output The main exciter output is then fed to the performance will fall within the limits of Criteria B of EN. main rotor through a full wave bridge protected by a surge 61000 6 2 2001 At no time will the steady state voltage. suppressor The AVR has in built protection against sustained regulation exceed 2. over excitation caused by internal or external faults This de. excites the machine after a minimum of 5 seconds DE RATES. An engine relief load acceptance feature can enable full load to. be applied to the generator in a single step All values tabulated on page 6 are subject to the following. If three phase sensing is required with the PMG system the reductions. MX321 AVR must be used, We recommend three phase sensing for applications with 5 when air inlet filters are fitted. greatly unbalanced or highly non linear loads 3 for every 500 metres by which the operating altitude. exceeds 1000 metres above mean sea level, MX321 AVR 3 for every 5 C by which the operational ambient. temperature exceeds 40 C, The most sophisticated of all our AVRs combines all the Note Requirement for operating in an ambient exceeding. features of the MX341 with additionally three phase rms 60 C must be referred to the factory. sensing for improved regulation and performance, Over voltage protection is built in and short circuit current level NB Continuous development of our products entitles us to.
adjustments is an optional facility change specification details without notice therefore they. must not be regarded as binding,Front cover drawing typical of product range. WINDING 17,CONTROL SYSTEM SEPARATELY EXCITED BY P M G. A V R MX321 MX341, VOLTAGE REGULATION 0 5 1 0 With 4 ENGINE GOVERNING. SUSTAINED SHORT CIRCUIT REFER TO SHORT CIRCUIT DECREMENT CURVES page 5. CONTROL SYSTEM SELF EXCITED,A V R SX460 AS440, VOLTAGE REGULATION 1 5 1 0 With 4 ENGINE GOVERNING. SUSTAINED SHORT CIRCUIT SERIES 4 CONTROL DOES NOT SUSTAIN A SHORT CIRCUIT CURRENT. INSULATION SYSTEM CLASS H,PROTECTION IP23,RATED POWER FACTOR 0 8.
STATOR WINDING DOUBLE LAYER CONCENTRIC,WINDING PITCH. APPROVED DOCUMENT TWO THIRDS,WINDING LEADS 12, STATOR WDG RESISTANCE 0 017 Ohms PER PHASE AT 22 C SERIES STAR CONNECTED. ROTOR WDG RESISTANCE 2 08 Ohms at 22 C,EXCITER STATOR RESISTANCE 20 Ohms at 22 C. EXCITER ROTOR RESISTANCE 0 091 Ohms PER PHASE AT 22 C. R F I SUPPRESSION BS EN 61000 6 2 BS EN 61000 6 4 VDE 0875G VDE 0875N refer to factory for others. WAVEFORM DISTORTION NO LOAD 1 5 NON DISTORTING BALANCED LINEAR LOAD 5 0. MAXIMUM OVERSPEED 2250 Rev Min,BEARING NON DRIVE END BALL 6310 2RS ISO. WEIGHT COMP GENERATOR 727 kg,WEIGHT WOUND STATOR 304 kg.
WEIGHT WOUND ROTOR 271 9 kg,WR INERTIA 2 3744 kgm2. SHIPPING WEIGHTS in a crate 740 kg,PACKING CRATE SIZE 123 x 67 x 103 cm. TELEPHONE INTERFERENCE THF 2 TIF 50,COOLING AIR 0 69 m sec 1463 cfm. VOLTAGE SERIES STAR 600V,VOLTAGE PARALLEL STAR 300V. VOLTAGE SERIES DELTA 346V,kVA BASE RATING FOR REACTANCE.
Xd DIR AXIS SYNCHRONOUS 2 06,X d DIR AXIS TRANSIENT 0 12. X d DIR AXIS SUBTRANSIENT 0 07,Xq QUAD AXIS REACTANCE 0 94. X q QUAD AXIS SUBTRANSIENT 0 11,XL LEAKAGE REACTANCE 0 06. X2 NEGATIVE SEQUENCE 0 09,X0 ZERO SEQUENCE 0 04, REACTANCES ARE SATURATED VALUES ARE PER UNIT AT RATING AND VOLTAGE INDICATED. T d TRANSIENT TIME CONST 0 045s,T d SUB TRANSTIME CONST 0 015s.
T do O C FIELD TIME CONST 1 27s,Ta ARMATURE TIME CONST 0 03s. SHORT CIRCUIT RATIO 1 Xd,Winding 17,SX Locked Rotor Motor Starting Curves. PER CENT TRANSIENT VOLTAGE DIP,APPROVED DOCUMENT,0 100 200 300 400 500 600 700 800 900 1000. LOCKED ROTOR kVA,PER CENT TRANSIENT VOLTAGE DIP,0 200 400 600 800 1000 1200 1400. LOCKED ROTOR kVA,Winding 17,THREE PHASE EFFICIENCY CURVES.
APPROVED DOCUMENT, Three phase Short Circuit Decrement Curve No load Excitation at Rated Speed. Based on star wye connection,SYMMETRICAL,ASYMMETRICAL. CURRENT Amps,0 001 0 01 0 1 1 10,Sustained Short Circuit 1075 Amps. The following multiplication factor should be used to convert the values from curve for the. various types of short circuit,3 phase 2 phase L L 1 phase L N. Instantaneous x 1 00 x 0 87 x 1 30,Minimum x 1 00 x 1 80 x 3 20.
Sustained x 1 00 x 1 50 x 2 50,Max sustained duration 10 sec 5 sec 2 sec. All other times are unchanged,Winding 17 0 8 Power Factor. Class Temp Rise Cont F 105 40 C Cont H 125 40 C Standby 150 40 C Standby 163 27 C. Series Star V 600 600 600 600,Parallel Star V 300 300 300 300. Series Delta V 346 346 346 346,kVA 288 0 312 5 328 0 334 0. kW 230 4 250 0 262 4 267 2,Efficiency 94 0 93 9 93 9 93 9.
kW Input 245 2 266 1 279 4 284 6,APPROVED DOCUMENT. DIMENSIONS,APPROVED DOCUMENT,Head Office Address,Barnack Road Stamford. Lincolnshire PE9 2NB,United Kingdom,Tel 44 0 1780 484000. Fax 44 0 1780 484100,www cumminsgeneratortechnologies com. Copyright 2010 Cummins Generator Technologies Ltd All Rights Reserved. Stamford and AvK are registered trade marks of Cummins Generator Technologies Ltd. Cummins and the Cummins logo are registered trade marks of Cummins Inc.


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