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Supplier: ABB Low Voltage Products & Systems
Description: The wye-delta open transition starter starts the motor by closing the S and 1M contactors which energize the windings in wye. The inrush current in wye is reduced to 33% of what it would be if the motor was started with an across the line starter. The starting time in wye is adjustable
- Device: AC Motor Starter
- Rating Standard: NEMA Rated
- Device Technology: Electromechanical
- AC Motor Phase: Three Phase Motor
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Supplier: ABB Low Voltage Products & Systems
Description: acceleration period. The transformer has three taps which provide 50%, 65% and 80% of full line voltage. At delivery, the transformer is connected to the 65% tap; the inrush current will be reduced to 42% of normal; and the starting torque will be reduced to 42%. The autotransformer starter can be used
- Device: AC Motor Starter
- Rating Standard: IEC Rated
- Device Technology: Electromechanical
- AC Motor Phase: Three Phase Motor
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Supplier: Voss Lighting
Description: OUTDOOR WEATHERPROOF BALLAST, INPUT VOLTAGE 480 V; INPUT CURRENT 1 AMPERE; INPUT POWER 464 W; 60 HZ; HIGH PRESSURE SODIUM LAMP; 400 W LAMP WATTAGE; CONSTANT WATTAGE AUTOTRANSFORMER CIRCUIT; ANSI CODE S51; -40 DEG F MINIMUM STARTING TEMPERATURE
- Lamp Type: High Pressure Sodium Lamp
- Nominal Voltage: 480 V
- Number of Lamps: 1
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Supplier: Voss Lighting
Description: OUTDOOR WEATHERPROOF BALLAST, INPUT VOLTAGE 480 V; INPUT CURRENT 2.3 AMPERE; INPUT POWER 1100 W; 60 HZ; HIGH PRESSURE SODIUM LAMP; 1000 W LAMP WATTAGE; CONSTANT WATTAGE AUTOTRANSFORMER CIRCUIT; ANSI CODE S52; -40 DEG F MINIMUM STARTING TEMPERATURE
- Lamp Type: High Pressure Sodium Lamp
- Nominal Voltage: 480 V
- Number of Lamps: 1
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Supplier: Voss Lighting
Description: HID BALLAST, INPUT VOLTAGE 480 V; INPUT CURRENT 1 AMPERE; INPUT POWER 462 W; FREQUENCY 60 HZ; METAL HALIDE LAMP; 400 W LAMP WATTAGE; CONSTANT WATTAGE AUTOTRANSFORMER CIRCUIT; ANSI CODE H33/M59; -20 DEG F MINIMUM STARTING TEMPERATURE
- Ballast Technology: HID Ballast
- Lamp Type: Metal Halide Lamp
- Nominal Voltage: 480 V
- Number of Lamps: 1
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Supplier: Voss Lighting
Description: HID BALLAST, INPUT VOLTAGE 480 V; INPUT CURRENT 2.3 AMPERE; INPUT POWER 1080 W; FREQUENCY 60 HZ; METAL HALIDE LAMP; 1000 W LAMP WATTAGE; CONSTANT WATTAGE AUTOTRANSFORMER CIRCUIT; ANSI CODE H36/M47; -20 DEG F MINIMUM STARTING TEMPERATURE
- Ballast Technology: HID Ballast
- Lamp Type: Metal Halide Lamp
- Nominal Voltage: 480 V
- Number of Lamps: 1
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Supplier: Voss Lighting
Description: F-CAN BALLAST, INPUT VOLTAGE 120/277 V; INPUT CURRENT 3.9/1.7 AMPERE; INPUT POWER 460 W; 60 HZ; METAL HALIDE LAMP; 400 W LAMP WATTAGE; CONSTANT WATTAGE AUTOTRANSFORMER CIRCUIT; ANSI CODE H33/M59; -20 DEG F MINIMUM STARTING TEMPERATURE;
- Lamp Type: Metal Halide Lamp
- Nominal Voltage: 120 V, 277 V
- Number of Lamps: 1
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Motor Starters
. In addition to load demands, power company regulations may limit the current surge or voltage fluctuation that can be imposed on the power supply during motor starting. Many starters apply reduced voltage to motor windings; primary resistor, primary reactor, autotransformer, and solid state. Part
Engineering Web Search: Autotransformer Starting Top
- Motor Starting - Auto-Transformer
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Uninterruptible power supply - Wikipedia, the free...
The line-interactive UPS is similar in operation to a standby UPS, but with the addition of a multi-tap variable-voltage autotransformer.
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Induction motor - Wikipedia, the free encyclopedia
In three-phase induction motors, that are inherently self-starting, energy transfer is usually from the stator to either a wound rotor or a
- What is the definition of autotransformer starting?
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Protective measures for transient overvoltages in motors...
overvoltages in motors starting by autotransformers Publisher Name: IEEE Meeting Location: Aswan Item Abstract: Starting medium voltage motors via
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Power quality assessment of large motor starting and loading...
Power quality assessment of large motor starting and loading for the integrated steel-making cogeneration facility
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Application of Programme Package Mathematica in Analysis of...
of asynchronous starting of synchronous motor when it is connected to the constant voltage network: a) directly, b) by autotransformer and power
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Electrical calculations and induction motor control
ratings, Cable ratings, Power Factor Correction calculations, Motor Starting and acceleration Curves, Enclosure Cooling, Genset sizing and numerous
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Motor Controls: Starting Methods for Squirrel Cage Motors |...
This course outlines: -Across the line starting -Resistor starting -Reactor starting -Auto-transformer starting
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Motor Starters On GlobalSpec
Many starters apply reduced voltage to motor windings; primary resistor, primary reactor, autotransformer, and solid state.
