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Supplier: Schneider Electric
Description: Features Schneider Electric’s Motorpact Medium Voltage Motor Center offers a comprehensive MV MCC solution in the smallest MCC footprint in the industry. Motorpact provides full voltage starting for single speed, reversing, and two speed motors. In addition, Motorpact has unique
- Continuous Output Current: 450 to 3,000 amps
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Supplier: Solcon Solutions LLC
Description: voltage is not required to operate the RVS-AX. Built-in motor protection Built-in bypass (31-170A) Soft start & soft stop Current limit Start/ Stop with voltage free contact
- Continuous Current: 8 to 170 amps
- Motor Voltage: 230 to 600 volts
- Features: AC Motor Starter
- Other Protective Feature: Low Voltage Protection
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Supplier: RAB Lighting
Description: 12-1/2 INCH L X 10-3/4 INCH W X 9 INCH H SIZE WHITE FINISH RECTANGULAR SHAPE UL (CANADA AND US) APPROVAL CONSTANT WATTAGE AUTOTRANSFORMER, QUAD TAP BALLAST TYPE 1 LAMP INCLUDED MEDIUM BASE ED17 METAL HALIDE LAMP TYPE 125 W LAMP WATTAGE DIE CAST ALUMINUM HOUSING MATERIAL 120/277/347/480
- Light Fixture Voltage: 120 to 480 volts
- Light Fixture Wattage: 125.00000000000001 watts
- Features: Ballast Included, Bulb Included
- Application: Commercial
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Supplier: RAB Lighting
Description: CUTOFF TYPE 14 INCH L X 8 1/2 INCH W X 9 INCH H SIZE CHIP AND FADE RESISTANT BRONZE POLYESTER POWDER COATED FINISH UL (CANADA AND US) APPROVAL CONSTANT WATTAGE AUTOTRANSFORMER, HPF BALLAST TYPE YES LAMP INCLUDED ED17 MEDIUM BASE HIGH PRESSURE SODIUM LAMP TYPE 100 W LAMP WATTAGE
- Light Fixture Voltage: 480 volts
- Light Fixture Wattage: 100 watts
- Features: Ballast Included, Bulb Included
- Application: Outdoor
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Supplier: Appleton Electric
Description: VOLTAGE HEAVY GAUGE ALZAK. FINISH ALUMINUM REFLECTOR TYPE MEDIUM TO WIDE, NARROW TO WIDE, ADJUSTABLE DISTRIBUTION/BEAM SPREAD 16 INCH DIA REFLECTOR SIZE BAYMASTER 250/400[T] BRAND APPLICATION DAMP LOCATION, INDOOR, STORAGE
- Light Fixture Voltage: 480 volts
- Light Fixture Wattage: 250.00000000000003 watts
- Features: Ballast Included
- Fixture Type: Pendants
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Supplier: RAB Lighting
Description: BRONZE POLYESTER POWDER COATED FINISH UL (CANADA AND US) APPROVAL ARM MOUNTING CONSTANT WATTAGE AUTOTRANSFORMER, HPF, QUAD TAP BALLAST TYPE YES LAMP INCLUDED ED17 MEDIUM BASE METAL HALIDE LAMP TYPE 150 W LAMP WATTAGE DIE-CAST ALUMINUM HOUSING MATERIAL 120/208/240/277 V LAMP/BALLAST
- Light Fixture Voltage: 120 to 277 volts
- Light Fixture Wattage: 150 watts
- Application: Automotive
- Features: Ballast Included, Bulb Included
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Supplier: RAB Lighting
Description: 9 INCH W X 8-3/4 INCH D X 9 INCH H SIZE CHIP AND FADE RESISTANT BRONZE POLYESTER POWDER COATED FINISH UL APPROVAL 1/2 INCH NPS THREADED LOCKING SWIVEL ARM MOUNTING CONSTANT WATTAGE AUTOTRANSFORMER, HPF BALLAST TYPE YES LAMP INCLUDED ED17 MEDIUM BASE METAL HALIDE LAMP TYPE 100 W LAMP
- Light Fixture Voltage: 480 volts
- Light Fixture Wattage: 100 watts
- Features: Ballast Included, Bulb Included
- Fixture Type: Flood Lights
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Improvement and design of 220 kV autotransformer standby protection
… remote protection of an autotransformer: T1, the autotransformer (AT); G1, G2, G3, power supplies; Q1, Q2, Q3, switches on the autotransformer sides; TA1, TA2, TA3, current transformers of the protection on the high-voltage autotransformer, medium - voltage autotransformer , and low-voltage autotransformer …
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Medium voltage reduced voltage autotransformer starter failures $explaining the unexplained
MEDIUM VOLTAGE REDUCEDVOLTAGE AUTOTRANSFORMER STARTER FAILURES -EXPLAININGTHE UNEXPLAINED- .
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2004 Author Index
Getting the most from your reliability budget; REPCON- 04 2004 D1-1-11 Farr, L.B. Medium voltage reduced voltage autotransformer starter failures $explaining the unexplained; PAPCON-04 2004 73-77 Farr, L.B., and A.J. Smith, III.
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Protective measures for transient overvoltages in motors starting by autotransformers
Starting medium voltage motors via autotransformers .
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Table of Contents
PCIC-2004-24 ' Medium Voltage Reduced Voltage Autotransformer Starter Failures - Explaining the Unexplained' Lawrence B. Farr .
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An adaptive system for the automatic control of systems for compensating the reactive power of substations
… value of the position of the volt- age regulation on the load, U s HV and U s MV are the specified voltage levels on the buses from the high voltage and me- dium voltage sides of the autotransformers (the voltage set- .
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Three phase transformer modelling for fast electromagnetic transient studies
Reactivecompensation,which is a neceSSity in many systems,isoften provided by reactor coils, connected at the medium voltage tertiary winding of autotransformers .
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An estimate of the limit state of power transformers and autotransformers
For windings for voltages of 150 and 110 kV this situa- tion is more favorable and many cases are known of pro- longed operation of autotransformers with deformed me- dium - voltage windings.
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Substation ancillary services fuel cell power supply. Part 1. Solution overview
The legislation does not include any references about 220 kV substations with 220/110 kV autotransformers that have a medium voltage third winding.
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Considerations in Medium Voltage Reduced Voltage Motor Starting the Good, the Bad and the Ugly
This mode of failure is discussed at length in reference 2 " Medium - Voltage Reduced-Voltage Autotransformer Failures Explaining the Unexplained".