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EATON CORPORATION Cutler-Hammer

Chiller Starter (AMPGARD) Technical Data TD02003003E

Copyright 2006

11

AMPGARD IT. Soft Start

The 400 ampere AMPGARD

IT.

Soft Start requires one full height

structure with a full voltage starter in the upper compartment bus
connected to a soft start truck assembly in the lower compartment.
The soft starter includes internal fault protection and built-in basic
motor protection. The standard assembly includes an MP-3000 motor
relay for advanced motor protection.

Why is Soft Starting Desirable?

●

Eliminate shock to your mechanical components.

●

Avoid coupling and shaft damage.

●

Prevent rotor and winding failure.

●

Stop drive belt squeal and breakage.

●

Prevent water hammer in pipes.

●

Soft stop the pump motors.

●

Reduce pressure so valves close gently.

●

Avoid the surge wave.

●

Reduce peak starting currents.

●

Reduce voltage drop on motor start.

Ratings

●

2300 – 4800 Vac grounded systems.

●

60 kV BIL impulse rating.

●

Continuous current: to 400 amperes.

The AMPGARD

IT.

Soft Start is recommended for application only on

power systems that are solidly grounded or resistance grounded.
Ungrounded systems are not recommended.

Industry Standards

The AMPGARD

IT.

Soft Start is designed and built to meet all applica-

ble industry standards including UL listing as a complete assembly.

●

NEMA ICS3 – 1993

●

UL 347

●

CSA

●

EEMAC E14-1

●

Manufactured in an ISO

9001 and ISO 14001 certified facility

Starting Characteristics

The soft start controller provides a number of selectable starting
characteristics as standard:

Kick Start

Provides an initial boost of current to overcome motor and system
inertia.

Ramp Start

Operator sets the initial starting torque value then raises the torque to
full voltage.

Current Limit

Limits the maximum starting current. Used in long start time applica-
tions and motor protection applications.

Soft Stop

Provides extended coast to rest time. Used in high friction load
applications where a sudden stop may cause system damage.

An optional pump control algrithm provides a special S shaped torque
curve that can eliminate water hammer in hydraulic systems.

AMPGARD IT. Soft Start

Full Voltage
Starter Cubicle

MP-3000 Relay

Soft Start
LV Control
Compartment

Drawout
SCR Truck
(Located Behind
MV Door)

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Содержание Cutler-Hammer AMPGARD

Страница 1: ...age Control 8 Bus and Optional Features 9 Reduced Voltage Starter and Reduced Voltage Autotransformer Starter 10 AMPGARD IT Soft Start 11 Incoming Line 13 Potential Transformers and Fuses 13 Type LBS Loadbreak Switch 13 Technical Data Wiring Diagrams 14 Type SL 400 Ampere Vacuum Contactor 17 Type SL 200 Ampere Vacuum Contactor 18 LBS Switch 19 Starter Fuse Information 19 Layout Dimensions Full Vol...

Страница 2: ...The low voltage control compart ment is isolated from medium voltage by steel barriers AMPGARD Motor Control Assembly Starter catalog types are available for the following applications Squirrel cage full voltage reversing and non reversing Squirrel cage primary reactor Squirrel cage autotransformer Reduced voltage solid state Personnel Safety Features One of the most important considerations in de...

Страница 3: ...e operator cannot open the switch with the main contactor closed even if excessive force is used on the operating handle To operate the isolating switch the operating handle is moved through a 180º vertical arc from the ON to the OFF position In the ON position an operator on the back of the handle housing extends through a bracket on the rear of the starter high voltage door prevent ing the door ...

Страница 4: ... tions with a minimal maintenance program The SL operating coils are energized by a control board which provides a pulse width modulated dc output Control voltages and contactor dropout times are pro grammed using a DIP switch located on the control board The con trol board is mounted in a protected cavity in the molded contactor frame to prevent inadvertent access to the voltage and dropout DIP s...

Страница 5: ...removing the bolt holding the contactor against the bracket and disconnecting the isolation switch interlock The contactor can be removed from the starter without disconnecting any medium voltage cables FIGURE 2 STAB IN CONTACTOR MECHANICAL INTERLOCK Current Limiting Fuses AMPGARD starters use Cutler Hammer Type CLS power fuses with special time current characteristics for motor service The fuse i...

Страница 6: ...cycles on other starter designs Lower interrupting ratings and shorter dropout times can result in fault current levels where the contactor may be required to interrupt a fault greater than its rating This can result in equipment failure Refer to Figure 4 for an illustration of an improperly coordi nated starter AMPGARD starters also ensure coordination between other starter components The current...

Страница 7: ...3000 also provides start control logic to protect the motor against exces sive starting The relay may be applied to either across the line or reduced voltage starters On reduced voltage starters the MP 3000 can control the transition from reduced to full voltage offering the greatest protection for the motor and starter An optional RTD module can be supplied for motors with built in RTDs MP 3000 M...

Страница 8: ... door is locked closed whenever the isolation switch is closed AMPGARD 200 400 Ampere Starter Low Voltage Door Open Low Voltage Access Door Digital Meter When Specified Indicating Lights Start Stop Pushbutton When Specified 1 4 Turn Door Latch Top and Bottom MP 3000 When Specified Distinctive Markings on Isolation Switch Shutter Indicate Shutter is Closed and Switch is Open Standard Isolation Swit...

Страница 9: ...specified AMPGARD starters meet the requirements of IEC standards 60694 60298 and 60470 Seismic Certification AMPGARD starters are seismically tested seismically qualified and exceed requirements of both the International Building Code IBC and California Building Code Title 24 Seismic certified starters require the use of special keyed door latches on the medium voltage doors to ensure that the do...

Страница 10: ...es Current flows through reactor reducing voltage to motor based on tap setting When motor current reaches 125 the run contactor R closes providing full voltage to the motor Reduced Voltage Autotransformer Starter TABLE 2 TYPE 602 AUTOTRANSFORMER STARTING CHARACTERISTICS Factory set on 65 tap Autotransformer Starter Advantages Produces the most torque per incoming line ampere of any reduced voltag...

Страница 11: ...plication only on power systems that are solidly grounded or resistance grounded Ungrounded systems are not recommended Industry Standards The AMPGARD IT Soft Start is designed and built to meet all applica ble industry standards including UL listing as a complete assembly NEMA ICS3 1993 UL 347 CSA EEMAC E14 1 Manufactured in an ISO 9001 and ISO 14001 certified facility Starting Characteristics Th...

Страница 12: ... be performed with the truck on a bench away from the starter cubicle Rollout SCR Truck How IT Works 1 Industry exclusive integral run contactor dramatically reduces overall size of starter 2 Run contactor is open all current passes through the SCRs and voltage is reduced per program requirements 3 After start is complete the run contactor closes then the SCRs are turned off closed transition 4 Th...

Страница 13: ...S Loadbreak Switch For application needs with loads rated 600 or 1200 amperes at 2300 to 6600 volts AMPGARD is available with the Type LBS loadbreak switch This device a 3 pole manually operated quick make quick break switch is used primarily as a disconnect switch in ac power systems This switch is fixed mounted and will fit in one half of a standard 80 inch 2032 mm high 36 inch 914 mm wide verti...

Страница 14: ...0 Hz C H2 H1 V2 V3 PF1 GND V2 SF2 1Amp GFCT GND MP G Ground MX MP 3 50 MX 1 2 5 Coil Controller 4 3 BLK 1 2 COIL DC M MA 11 Set Point System Trip Mode 1 MP G Ground URTD DP DP IQ DP 4130 Ground CG 750 8 P1 1A Ma Stop Stop Start Start M7 Ma M5 Mb RIL Run Off 8 C13 C12 M M M 1T1 1T2 1T3 L1 L2 ISW L3 Ground Main Fuse A B C X1 X2 X1 X2 X1 1CT GND C3 Motor T1 T2 T3 X2 X1 5 9 4 7 7 H2C H1C H2A H1A H2B H...

Страница 15: ...nd Main A B C Hz Vac 60 4160 3SA 1SA Ground S L 0 T2 Autotransformer M M M MOTOR T1 T2 T3 G Set MP3000 Set Point START to the Following TRNC 100 TRNT Max 30 Sec and TRN I MP 50 MP RX SX R3 S5 52 51 MP MA RA SA P1 RX MX 12 SX 2 2 R 6 5 BLK WHT 1 M DC DC 1 COIL CONTROLLER 1 BLK 5 6 SB SA 11 Set Point Sys TP Mode 1 MP CPT VA AMP 750 1 1 ACN RCPT Cust Cust 1 PLUG 120V 120 V SF1 8 STOP START M4 2 3 1A ...

Страница 16: ...ON THE RVSS CONTROL SETTINGS IF SOFT THAN THE SOFT STOP SELECTED TIME Ts ADJUST TIME TO BE 5 SEC GREATER SELECT TIMING RANGE ON MXTD AND NOTE 1 IN COMPLETELY CORRECTLY TO RVSS TRUCK ASSY FROM CONTROL MODULE CM PLUGGED CONNECTION MADE WHEN WIRE HARNESS RVSS WIRE HARNESS SAFETY NOTE 3 NOTE 2 THE S S TRIP LIGHT ON THE RVSS CONTROL INTERFACE MODULE IN THE RVSS CONTROL COMPT WILL COME ON WHEN M IS OPEN...

Страница 17: ...Capability AC4 Make Break 4000 Amperes 3200 Amperes Short Time Current 30 Seconds 1 Second 8 7 Milliseconds 5 Cycle 2400 Amperes 6000 Amperes 63 kA Peak Standard Service Altitude 1000 to 2000 Meters Optional Service Altitudes 3500 to 1001 Meters 2001 to 5000 Meters Mechanical Life 2 5 Million Operations Electrical Life 300 000 Operations BIL 60 kV 1 2 x 50 Microseconds Dielectric Strength 60 Hz 20...

Страница 18: ... kA Peak Standard Service Altitude 1000 to 2000 Meters Optional Service Altitudes 3500 to 1001 Meters 2001 to 5000 Meters Mechanical Life 2 5 Million Operations Electrical Life 300 000 Operations BIL 60 kV 1 2 x 50 Microseconds Dielectric Strength 60 Hz 20 kV 1 Minute Closing Time Energization to Contact Touch 80 Milliseconds Opening Time 30 to 330 Milliseconds Selectable Arcing Time 12 Millisecon...

Страница 19: ...Fuses 450E Maximum at 5 kV 350E Maximum at 7 2 kV 600 40 25 50 Switch with 600E and 750E Fuses 5 kV Maximum 1200 61 38 40 Switch with 1100E and 1350E Fuses 5 kV Maximum 1200 61 38 31 5 Unfused 7 2 kV Maximum 1200 61 38 N A MINIMUM FLA MAXIMUM FLA FUSE RATING CT RATIO 400 Ampere Contactor 10 0 23 0 31 2 42 0 22 9 31 1 41 9 46 7 70 2R 70 2R 100 3R 100 3R 25 5 50 5 50 5 75 5 46 8 63 0 74 8 83 0 62 9 ...

Страница 20: ...rposing control relay Set of control circuit terminal blocks FIGURE 9 STARTER ARRANGEMENT Specifications TABLE 9 STARTER SELECTION INFORMATION DIMENSIONS IN INCHES MM Horsepower based on NEMA standard design B motor at 1800 rpm When horizontal bus is added height becomes 92 inches 2337 mm At higher hp rating maximum acceleration time is 3 5 seconds At higher hp rating maximum acceleration time is ...

Страница 21: ...or bottom entry stand alone starters Line cables should enter in rear half of conduit space and load cables should enter in front half of conduit space C LV conduit space for two high starters with bottom entry control conduit Control wiring for upper starter should enter in left half of conduit space and lower starter control wiring should enter in right half of conduit space C1 LV conduit space ...

Страница 22: ...l and electrical interlocks Three current transformers One medium duty starting reactor with 50 65 80 taps Starting Characteristics TABLE 11 TYPE 502 REACTOR STARTING CHARACTERISTICS Factory set on 65 tap FIGURE 11 STARTER ARRANGEMENT Specifications TABLE 12 STARTER SELECTION INFORMATION DIMENSIONS IN INCHES MM Horsepower based on NEMA standard design B motor at 1800 rpm When horizontal bus is add...

Страница 23: ...Note D Note G Load Term Note L1 Main Bus b Ph a c Main Ph 1200 Amp 4 00 X 1 Ph p 61 00 1549 3 50 89 12 00 305 7 39 80 00 2032 61 00 1549 22 00 559 1 45 37 22 85 580 30 00 762 2 50 64 2 00 51 2 00 51 13 50 343 1 25 32 1 50 38 1 70 43 2 88 73 27 00 686 4 50 114 28 00 711 21 67 550 1 00 25 28 00 711 4 63 118 13 75 349 4 50 114 4 50 36 00 914 36 00 914 36 00 914 27 00 686 5 50 140 5 50 140 2 00 51 36 ...

Страница 24: ...ical and mechanical interlocks Three current transformers One medium duty starting autotransformer with 50 65 80 taps Three distribution class lightning arresters for high voltage stress protection on the transformer zero tap Starting Characteristics TABLE 13 TYPE 602 AUTO TRANSFORMER STARTING CHARACTERISTICS Factory set on 65 tap FIGURE 13 STARTER ARRANGEMENT Specifications TABLE 14 STARTER SELEC...

Страница 25: ...Note D Note G Load Term Note L1 Main Bus b Ph a c Main Ph 1200 Amp 4 00 X 1 Ph p 61 00 1549 3 50 89 12 00 305 7 39 80 00 2032 61 00 1549 22 00 559 1 45 37 22 85 580 30 00 762 2 50 64 2 00 51 2 00 51 13 50 343 1 25 32 1 50 38 1 70 43 2 88 73 27 00 686 4 50 114 28 00 711 21 67 550 1 00 25 28 00 711 4 63 118 13 75 349 4 50 114 4 50 36 00 914 36 00 914 36 00 914 27 00 686 5 50 140 5 50 140 2 00 51 36 ...

Страница 26: ...rmers Withdrawable SCR truck with integral bypass contactor Mounted in the Low Voltage Compartment Control panel with One MP 3000 motor protection relay One interposing control relay Set of control circuit terminal blocks Mounted in Lower Door 24 Vdc power supply Soft start control module and CIM Status lights for soft starter fault and bypass mode Fault reset button FIGURE 15 STARTER ARRANGEMENT ...

Страница 27: ...237 1 25 32 28 00 711 21 67 550 1 00 25 2 31 59 4 50 114 13 75 349 6 00 30 00 762 2 50 64 2 00 51 1 00 25 2 00 51 5 50 140 173 36 00 914 30 00 762 36 00 914 2 00 2 00 51 30 00 762 22 85 580 62 00 1575 5 81 148 1 45 37 7 39 188 1 45 37 61 00 1549 3 50 89 12 00 305 80 00 2032 2 00 51 36 00 914 Note G Note E Note D Note G Note E Note A Top View Floor Plan Main Bus Load Terminal Detail A Note L Low Vo...

Страница 28: ...ire Protection Association Quincy Mass ISO is the registered trademark and sole property of the International Organization for Standardization Cutler Hammer is a federally registered trademark of Eaton Corporation LH Top Entry 24 00 610 Side View 30 00 762 22 85 580 1 45 37 Ground Bus Low Voltage Control 50 00 1270 5 81 148 62 00 1575 80 00 2032 12 00 305 3 50 89 Main Bus PH A PH B PH C Continuati...

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