UCI224D - Technical Data Sheet

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UCI224D - Technical Data Sheet

UCI224D SPECIFICATIONS & OPTIONS

STANDARDS Newage Stamford industrial generators meet the requirements of BS EN 60034 and the relevant section of other international standards such as BS5000, VDE 0530, NEMA MG1-32, IEC34, CSA C22.2-100, AS1359. Other standards and certifications can be considered on request. VOLTAGE REGULATORS SX460 AVR - STANDARD With this self excited control system the main stator supplies power via the Automatic Voltage Regulator (AVR) to the exciter stator. The high efficiency semiconductors of the AVR ensure positive build-up from initial low levels of residual voltage. The exciter rotor output is fed to the main rotor through a three phase full wave bridge rectifier. This rectifier is protected by a surge suppressor against surges caused, for example, by short circuit. SX440 AVR With this self-excited system the main stator provides power via 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. The exciter rotor output is fed to the main rotor through a three-phase full-wave bridge rectifier. The rectifier is protected by a surge suppressor against surges caused, for example, by short circuit or out-of-phase paralleling. The SX440 will support a range of electronic accessories, including a 'droop' Current Transformer (CT) to permit parallel operation with other ac generators. If 3-phase sensing is required with the self-excited system, the SX421 AVR must be used. SX421AVR This AVR also operates in a self-excited system. It combines all the features of the SX440 with, additionally, three-phase rms sensing for improved regulation and performance. Over voltage protection is provided via a separate circuit breaker. An engine relief load acceptance feature is built in as standard. MX341 AVR This sophisticated AVR is incorporated into the Stamford Permanent Magnet Generator (PMG) control system. The PMG provides power via the AVR to the main exciter, giving a source of constant excitation power independent of generator output. The main exciter output is then fed to the main rotor, through a full wave bridge, protected by a surge suppressor. The AVR has in-built protection against sustained over-excitation, caused by internal or external faults. This de-excites the machine after a minimum of 5 seconds. An engine relief load acceptance feature can enable full load to be applied to the generator in a single step. If three-phase sensing is required with the PMG system the MX321 AVR must be used. We recommend three-phase sensing for applications with greatly unbalanced or highly non-linear loads.

2

MX321 AVR The most sophisticated of all our AVRs combines all the features of the MX341 with, additionally, three-phase rms sensing, for improved regulation and performance. Over voltage protection is built-in and short circuit current level adjustments is an optional facility. WINDINGS & ELECTRICAL PERFORMANCE All generator stators are wound to 2/3 pitch. This eliminates triplen (3rd, 9th, 15th …) harmonics on the voltage waveform and is found to be the optimum design for trouble-free supply of non-linear loads. The 2/3 pitch design avoids excessive neutral currents sometimes seen with higher winding pitches, when in parallel with the mains. A fully connected damper winding reduces oscillations during paralleling. This winding, with the 2/3 pitch and carefully selected pole and tooth designs, ensures very low waveform distortion. TERMINALS & TERMINAL BOX Standard generators are 3-phase reconnectable with 12 ends brought out to the terminals, which are mounted on a cover at the non-drive end of the generator. A sheet steel terminal box contains the AVR and provides ample space for the customers' wiring and gland arrangements. It has removable panels for easy access. SHAFT & KEYS All generator rotors are dynamically balanced to better than BS6861:Part 1 Grade 2.5 for minimum vibration in operation. Two bearing generators are balanced with a half key. INSULATION/IMPREGNATION The insulation system is class 'H'. All wound components are impregnated with materials and processes designed specifically to provide the high build required for static windings and the high mechanical strength required for rotating components. QUALITY ASSURANCE Generators are manufactured using production procedures having a quality assurance level to BS EN ISO 9001. The stated voltage regulation may not be maintained in the presence of certain radio transmitted signals. Any change in performance will fall within the limits of Criteria 'B' of EN 61000-6-2:2001. At no time will the steady-state voltage regulation exceed 2%.

NB Continuous development of our products entitles us to change specification details without notice, therefore they must not be regarded as binding. Front cover drawing typical of product range.

UCI224D WINDING 311 CONTROL SYSTEM

SEPARATELY EXCITED BY P.M.G.

A.V.R. VOLTAGE REGULATION

MX321

MX341

± 0.5 %

± 1.0 %

With 4% ENGINE GOVERNING

SUSTAINED SHORT CIRCUIT

REFER TO SHORT CIRCUIT DECREMENT CURVES (page 7)

CONTROL SYSTEM

SELF EXCITED

A.V.R.

SX460

SX440

SX421

VOLTAGE REGULATION

± 1.5 %

± 1.0 %

± 0.5 %

SUSTAINED SHORT CIRCUIT

With 4% ENGINE GOVERNING

SERIES 4 CONTROL DOES NOT SUSTAIN A SHORT CIRCUIT CURRENT

INSULATION SYSTEM

CLASS H IP23

PROTECTION

0.8

RATED POWER FACTOR

DOUBLE LAYER CONCENTRIC

STATOR WINDING

TWO THIRDS

WINDING PITCH

12

WINDING LEADS STATOR WDG. RESISTANCE

0.129 Ohms PER PHASE AT 22°C SERIES STAR CONNECTED

ROTOR WDG. RESISTANCE

0.64 Ohms at 22°C

EXCITER STATOR RESISTANCE

21 Ohms at 22°C

EXCITER ROTOR RESISTANCE

0.071 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% 2250 Rev/Min

MAXIMUM OVERSPEED BEARING DRIVE END

BALL. 6312-2RS (ISO)

BEARING NON-DRIVE END

BALL. 6309-2RS (ISO) 1 BEARING

2 BEARING

WEIGHT COMP. GENERATOR

285 kg

290 kg

WEIGHT WOUND STATOR

86 kg

86 kg

WEIGHT WOUND ROTOR

86.28 kg

77.9 kg

0.4216 kgm2 307 kg

0.4198 kgm2 311 kg

92 x 57 x 96(cm)

92 x 57 x 96(cm)

WR² INERTIA SHIPPING WEIGHTS in a crate PACKING CRATE SIZE TELEPHONE INTERFERENCE

50 Hz

60 Hz

THF<2%

TIF<50

0.216 m³/sec 458 cfm

COOLING AIR

0.281 m³/sec 595 cfm

VOLTAGE SERIES STAR

380/220

400/231

415/240

440/254

416/240

440/254

460/266

480/277

VOLTAGE PARALLEL STAR

190/110

200/115

208/120

220/127

208/120

220/127

230/133

240/138

VOLTAGE SERIES DELTA kVA BASE RATING FOR REACTANCE VALUES Xd DIR. AXIS SYNCHRONOUS

220/110

230/115

240/120

254/127

240/120

254/127

266/133

277/138

50

50

50

48

60

62.5

62.5

65

2.33

2.10

1.95

1.67

3.04

2.83

2.59

2.47

X'd DIR. AXIS TRANSIENT

0.18

0.16

0.15

0.13

0.22

0.20

0.19

0.18

X''d DIR. AXIS SUBTRANSIENT

0.12

0.11

0.10

0.09

0.15

0.14

0.13

0.12

Xq QUAD. AXIS REACTANCE

1.07

0.97

0.90

0.77

1.40

1.30

1.19

1.14

X''q QUAD. AXIS SUBTRANSIENT

0.14

0.13

0.12

0.10

0.14

0.13

0.12

0.11

XL LEAKAGE REACTANCE

0.07

0.06

0.06

0.05

0.09

0.08

0.08

0.07

X2 NEGATIVE SEQUENCE

0.13

0.12

0.11

0.09

0.14

0.13

0.12

0.11

X0 ZERO SEQUENCE

0.08

0.08

0.07

0.06

0.09

0.08

0.08

0.07

REACTANCES ARE SATURATED T'd TRANSIENT TIME CONST. T''d SUB-TRANSTIME CONST. T'do O.C. FIELD TIME CONST. Ta ARMATURE TIME CONST. SHORT CIRCUIT RATIO

VALUES ARE PER UNIT AT RATING AND VOLTAGE INDICATED 0.027 s 0.006 s 0.7 s 0.0055 s 1/Xd

3

50 Hz

4

UCI224D Winding 311 THREE PHASE EFFICIENCY CURVES

UCI224D Winding 311 THREE PHASE EFFICIENCY CURVES

60 Hz

5

UCI224D Winding 311 Locked Rotor Motor Starting Curve

50 Hz

MX 346V

30

380V

400V

415V

440V

SX 346V

30

25

20

20

400V

415V

440V

PER CENT TRANSIENT VOLTAGE DIP

PER CENT TRANSIENT VOLTAGE DIP

25

380V

15

15

10

10

5

5

0

0 0

20

40

60

80

100

LOCKED ROTOR kVA

120

140

0

160

20

40

60

80

100

LOCKED ROTOR kVA

120

140

60 Hz

MX 380V

30

416V

440V 460V

480V

SX 30

25

380V

416V

100

120

440V 460V

480V

P E R C E N T T R A N S IE N T V O L T A G E D IP

25

20

PER CENT TRANSIENT VOLTAGE DIP

20

15

15

10

10

5

5

0

0 0

6

20

40

60

80

100

120

LOCKED ROTOR kVA

140

160

180

200

0

20

40

60

80

LOCKED ROTOR kVA

140

160

180

UCI224D Three-phase Short Circuit Decrement Curve. No-load Excitation at Rated Speed Based on star (wye) connection.

50 Hz

10000

SYMMETRICAL

CURRENT (Amps)

ASYMMETRICAL

1000

100

10 0.001

0.01

0.1 TIME (secs)

1

10

Sustained Short Circuit = 230 Amps

60 Hz

10000

SYMMETRICAL

CURRENT (Amps)

ASYMMETRICAL

1000

100

10 0.001

0.01

0.1 TIME (secs)

1

10

Sustained Short Circuit = 275 Amps Note 1 The following multiplication factors should be used to adjust the values from curve between time 0.001 seconds and the minimum current point in respect of nominal operating voltage : 50Hz

Voltage 380v 400v 415v 440v

Factor X 1.00 X 1.07 X 1.12 X 1.18

60Hz

Voltage 416v 440v 460v 480v

Note 2 The following multiplication factor should be used to convert the values calculated in accordance with NOTE 1 to those applicable to the various types of short circuit : 3-phase

Factor X 1.00 X 1.06 X 1.12 X 1.17

The sustained current value is constant irrespective of voltage level

2-phase L-L 1-phase L-N x 1.30 x 3.20 x 2.50 2 sec.

Instantaneous x 1.00 x 0.87 Minimum x 1.00 x 1.80 Sustained x 1.00 x 1.50 Max. sustained duration 10 sec. 5 sec. All other times are unchanged

Note 3 Curves are drawn for Star (Wye) connected machines. For other connection the following multipliers should be applied to current values as shown : Parallel Star = Curve current value X 2 Series Delta = Curve current value X 1.732 7

UCI224D Winding 311 / 0.8 Power Factor RATINGS Cont. F - 105/40°C

Class - Temp Rise

50 Hz

60 Hz

Cont. H - 125/40°C

Standby - 150/40°C

Standby - 163/27°C

Series Star (V)

380

400

415

440

380

400

415

440

380

400

415

440

380

400

415

440

Parallel Star (V)

190

200

208

220

190

200

208

220

190

200

208

220

190

200

208

220

Series Delta (V)

220

230

240

254

220

230

240

254

220

230

240

254

220

230

240

254

kVA 45.0

45.0

45.0

33.6

50.0

50.0

50.0

37.5

53.0

53.0

53.0

39.1

55.0

55.0

55.0

41.2

kW 36.0

36.0

36.0

26.9

40.0

40.0

40.0

30.0

42.4

42.4

42.4

31.3

44.0

44.0

44.0

33.0

Efficiency (%) 88.3

88.6

88.9

89.3

87.7

88.2

88.5

89.0

87.4

87.9

88.2

88.8

87.2

87.7

88.0

88.6

kW Input 40.8

40.6

40.5

38.5

45.6

45.4

45.2

43.1

48.5

48.2

48.1

45.0

50.5

50.2

50.0

47.6

Series Star (V)

416

440

460

480

416

440

460

480

416

440

460

480

416

440

460

480

Parallel Star (V)

208

220

230

240

208

220

230

240

208

220

230

240

208

220

230

240

Delta (V)

240

254

266

277

240

254

266

277

240

254

266

277

240

254

266

277

kVA 52.5

55.0

56.0

58.0

60.0

62.5

62.5

65.0

62.5

65.0

65.0

68.8

65.0

66.3

66.3

71.3

kW 42.0

44.0

44.8

46.4

48.0

50.0

50.0

52.0

50.0

52.0

52.0

55.0

52.0

53.0

53.0

57.0

Efficiency (%) 88.7

89.0

89.2

89.4

88.0

88.4

88.8

89.0

87.8

88.2

88.6

88.7

87.5

88.1

88.5

88.5

kW Input 47.4

49.4

50.2

51.9

54.5

56.6

56.3

58.4

56.9

59.0

58.7

62.1

59.4

60.2

59.9

64.5

DIMENSIONS

© 2004 Newage International Limited. Reprinted with permission of N.I. only. Printed in England.

Barnack Road • Stamford • Lincolnshire • PE9 2NB Tel: 00 44 (0)1780 484000 • Fax: 00 44 (0)1780 484100 Website: www.newage-avkseg.com TD_UCI224D.GB_12.03_04_GB

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UCI224D - Technical Data Sheet

UCI224D - Technical Data Sheet UCI224D SPECIFICATIONS & OPTIONS STANDARDS Newage Stamford industrial generators meet the requirements of BS EN 6003...

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