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Supplier: Powertronix Inc.
Description: 3-Phase Transformers converts incoming line voltage to desired output load voltage, as well as adapt the incoming 3-phase line configuration to the desired 3-phase load configuration. APPLICATIONS 3-phase
- Power Rating (VA): 20,000 to 100,000 VA
- Standards / Compliance: IEC, UL
- Features: Other, Power / Power System / Distribution Transformer
- Transformer Type: Three Phase / Polyphase Transformer
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Supplier: Newark, An Avnet Company
Description: TRANSFORMER, VARIABLE , 3.5A; Transformer Type:Manually Operated; Construction Type:Open; No. of Phases:Single Phase; Frequency Range:50Hz / 60Hz; Input Voltage:240V; Output Voltage:280V; Output Current:-; Constant Current Load:3.5A
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Supplier: Dongguan Yili Electronics Co., Ltd.
Description: Phase Dimmable DC Drivers supply low voltage power to dimmable LED lights, pool lights and lighting fixtures in residential and commercial applications. They are compatible with a complete list of dimmers: PWM dimmers, on/off switches, MLV dimmers, 0-10 dimmers, and RGB controllers.
- Operating Temperature: -20 to 70 C
- Maximum Primary Voltage Rating: 120 to 277 volts
- Maximum Secondary Voltage Rating: 12 to 24 volts
- Features: Constant Voltage Transformer (CVT), Industrial Control Transformer, NEMA Enclosure, Signal / RF Transformer
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Supplier: Newark, An Avnet Company
Description: VARIABLE TRANSFORMER; Transformer Type:Manually Operated; Construction Type:Open; No. of Phases:Single Phase; Frequency Range:50Hz / 60Hz; Input Voltage:480V; Output Voltage:280V; Output Current:3.5A; Constant Current Load:
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Supplier: Newark, An Avnet Company
Description: VARIABLE TRANSFORMER; Transformer Type:Motor Driven; Construction Type:-; No. of Phases:Single Phase; Frequency Range:50Hz / 60Hz; Input Voltage:240V; Output Voltage:280V; Output Current:-; Constant Current Load:3.5A RoHS Compliant: Yes
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Description: output transformer 10Hz to20KHz with external output transformers Distortion: 0.3% mid band Transient Overload 4.5X full load for 5 sec for motor starting Input Power: 208 50/60 3 phase unless otherwise specified can easily be wired for 190, 225, 240, 380, or 450V;
- AC Output Voltage: 0 to 260 volts
- AC Output Power: 1,500 VA
- Output Frequency: 0.00003 to 0.065 MHz
- AC Input Voltage: 208 to 230 volts
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Supplier: Amp-Line Corp.
Description: High Frequency Transformer: Primary Voltage: 25 V rms., Secondary Voltage: 3500 V rms., Ouptut Power: 750 watts; Frequency Range: 3K Hz - 10K Hz. Custom specifications can be achived upon request.
- Operating Frequency Range: 2,500 to 8,000 Hz
- 3 dB Bandwidth: 2.5 to 8 Hz
- Power Rating: 1,000.0000000000001 watts
- Maximum Primary Voltage Rating: 28 volts
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Supplier: Allied Electronics, Inc.
Description: 50⁄60 Hz Frequency, 10C-12C Series 3-Phase POWERSTAT® Variable Transformers Chances are that you can exactly match the requirements of your application from the extensive POWERSTAT® Variable Transformer line. To meet the needs of applications requiring higher ratings
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Supplier: Radwell International
Description: VARIABLE TRANSFORMER, TRANSFORMER TYPE:MANUALLY OPERATED, CONSTRUCTION TYPE:OPEN, NO. OF PHASES:SINGLE PHASE, FREQUENCY RANGE:50HZ / 60HZ, INPUT VOLTAGE:240V, OUTPUT VOLTAGE:280V, OUTPUT CURRENT:3.5A, CONSTANT CURRENT LOAD:- ROHS COMPLIANT:
- Features: Power / Power System / Distribution Transformer
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Supplier: SOCOMEC
Description: transformer based topology is adapted to all kinds of electrical installations. Minimised Total Cost of Ownership • High efficiency in VFI mode, including the transformer. • High power density: its small footprint saves space on your premises. • The high and constant input power
- Volt-Amp Rating: 250 to 900 kVA
- Operating Temperature: 32 to 95 F
- Voltage: 380
- Features: Bypass Switch, LCD or LED Display, On-line (Double-Conversion), Other, Three Phase
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Supplier: Specialty Product Technologies
Description: of the output voltage without the need of secondary devices such as buck/boost transformers and tap switching semiconductors. WHR Series STABILINE Voltage Regulators maintain constant volt- age to your equipment, even when the input voltage and system load vary
- Configuration: Floor / Free Standing, Rack Mount
- Phase: Single Phase, Three Phase
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Supplier: CSA Group
Description: kVA for single-phase transformers; 2 kVAR for single-phase reactors; 5 kVA for poly-phase transformers; 10 kVAR for poly-phase reactors. NOTE 2 Separating transformers are used where double or reinforced insulation between circuits is not required by
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Supplier: West Control Solutions
Description: West Control Solutions presents a range of thyristor power controllers which have been designed to switch 3 legs of 3 phase loads. These thyristor units are ideal for 3 phase configuration with neutral connection, normal (Relay S or Relay M) or variable resistive
- Maximum Current: 500 amps
- Command Signal: Analog Current (e.g. 4-20 mA), Analog Voltage (e.g. 0-5V)
- Mounting: DIN Rail, Other
- Phase: Three Phase (3-leg)
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Supplier: ValueTronics International, Inc.
Description: Excellent V and C regulation, autocrossover and indicator lights Amperage and voltage meters Automatic crossover between constant voltage (CV) and constant current (CC) Remote voltage and resistance programming in voltage and current modes Adjustable current
- DC Output Power: 1,800.0000000000032 watts
- Type: DC Power Supply
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Supplier: Gentherm Global Power Technologies
Description: Standard Features: Available in our Advantage Line of Air or Oil cooled enclosure (cabinet rating and optional construction dependant on application) Fully Automatic control modes available; IR-Free potential (single phase only); Constant “On” potential; Constant current or
- Form Factor: Wall Mount
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Supplier: Richardson RFPD
Description: Constant Current, Constant Voltage or Constant Power Mode Unique integrated heatsink design removes heat from MOSFET’s, transformer and inductors CAN Interface Applications EV On-Board Charger
- Category: Development Board
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Supplier: Gefran
Description: and partial interrupted load alarm - “Teach-in” function for self-learning of alarm threshold for interrupted load - SCR in short circuit alarm - Load in short circuit or in overcurrent alarm - Unbalanced 3-phase load alarm Voltage - Phase loss in case of
- Number of Inputs: 14 inputs
- Number of Control Outputs: 10 outputs
- Number of Zones (if applicable): 4 zones
- Temperature: Cooling Control, Heating Control, RTD / Thermistor Controller, Thermocouple Controller
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Supplier: Gefran
Description: lamps - HSC: Half Single Cycle Zero Crossing (corresponding to Burst Firing) that manages single semi-cycles of conduction or stop cycles, useful for short-wave IR lamps, reduces flickering and limits generation of EMC noise on the power line (applied only to single-phase load or
- Control Signal: Analog Voltage, Current Loop, Serial / Digital
- Temperature: Cooling Control, Heating Control
- Type: Current Loop (Transmitter) Input, DC Voltage Input, Serial / Digital Input
- Form Factor: DIN Rail, Panel / Chassis Mount
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Supplier: West Control Solutions
Description: West Control Solutions presents a range of thyristor power controllers which have been designed to switch 2 legs of 3 phase loads. These thyristor units are ideal for 3 phase configuration, resistive load, without neutral connection. Relay S – 2PH = Simple on/off firing
- Maximum Current: 700 amps
- Command Signal: Analog Current (e.g. 4-20 mA), Analog Voltage (e.g. 0-5V)
- Mounting: DIN Rail, Other
- SCR Control: Zero Crossing Fired
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Supplier: Gefran
Description: only to singlephase load or 3-phase open delta 6 leads) - PA: Phase angle control, useful for shortwave IR lamps, transformer primaries. Completely eliminates flickering of load filaments. Soft Start ramp functions can be assigned to these controls, with options such as
- Control Signal: Analog Voltage, Current Loop, Switch / Relay Output
- Temperature: Cooling Control, Heating Control, RTD / Thermistor Controller, Thermocouple Controller
- Type: Current Loop (Transmitter) Input, DC Voltage Input, Resistive / Potentiometer Input, Serial / Digital Input
- Interface: Ethernet / Networkable
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Supplier: Lift Products, Inc.
Description: Single or three phase voltage If 115/1/60V, 20 amp circuit required 24V operating control voltage NEMA-4X constant-pressure pushbutton box NEMA-12 prewired controls Magnetic starter & control transformer Thermal overload & fuses 10 ft. power cord (plug not
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Supplier: ValueTronics International, Inc.
Description: Analogue display 100 kΩ to 1 TΩ Short circuit/charge current: 3 mA @ 5 kV Capacitor charge time: <3 seconds per µF at 3 mA to 5 kV Capacitor discharge time: <120 ms per µF to discharge from 5000 V to 50 V Capacitance measurement (above 500 V): 10 nF to 50 µF (dependent on test
- Features: Current Leakage Tester
- Types of Measurements: Insulation Resistance
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Supplier: ValueTronics International, Inc.
Description: with AC-DC current capability. For benchtop DMMs and the handheld meters, virtually all with 10 amp measurement, the 10 amp range of the 2500EP is ideal. Ammeters, current transformers, shunts, current sensors, coils, wattmeters and a variety of parametric tests requiring constant, yet
- Calibrator Style: Hand Held
- Environmental Properties: Temperature
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Supplier: ValueTronics International, Inc.
Description: testing. Phase angle standards are ideal for calibrating many different electronics, including power analyzers, vector voltmeters, phase meters, phase sensitive instruments, and resolvers. Additional Features: 100mV/10V/100V ranges 100mA/10mA Accuracy: ± (0.002% of setting +
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ideal for use in many applications including test and measurement equipment, semiconductor fabrication, industrial printers and lasers. The high voltage, three-phase input avoids the requirement for step down transformers and assists phase load current balancing. (read more)
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Conduct Research Top
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MSilica Nanoparticles Treated by Cold Atmospheric-Pressure Plasmas Improve the Dielectric Performance of Organic-Inorganic Nanocomposites
, Amp-Line, Oakland Gardens,. NY, USA). A high-voltage transformer was then used to. step-up the voltage of the signal before it was applied to the. microfluidic device. It should be noted that voltages and. frequencies higher than 300 Vrms and 600 kHz, respectively,. were not tested due to the PDMS
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CR4 - Thread: How Do I Select The Proper Surge Suppressor?
Hi there, would a 3 - phase constant voltage transformer not cure these issues .
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A superconductive field winding subsystem for a 3000 hp homopolar motor
Basically, the transformer and preregulator modify the constant voltage , 3 - phase input according to the output voltage demands to minimize wasted power.
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FEM by electric drives 1
Unlike the in phase transformer , the phase over real constants must be set in dependence of the time and therewith as a whole 3 voltage sources.
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Status and Needs of Power Electronics for Photovoltaic Inverters
Center-tapped dc capacitors are used to provide a constant dc voltage and a neutral for 3 - phase 4-wire applications so that the output transformer can be eliminated.
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X-ray diffraction index for the identification of materials
… author used a separately escited moving-coil indicating instrument with a single-phase magnetizing coil escited from the secondary of a j o c s phase-shifting transformer connected to 3 - phase mains, the only requirement … … balanced and the escitation voltage constant .
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Reply to the measurement of dynamic mutual conductance of valves using the grounded-grid triode mode of operation
… author used a separately escited moving-coil indicating instrument with a single-phase magnetizing coil escited from the secondary of a j o c s phase-shifting transformer connected to 3 - phase mains, the only requirement … … balanced and the escitation voltage constant .
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The measurement of dynamic mutual conductance of valves using the grounded-grid triode mode of operation
… author used a separately escited moving-coil indicating instrument with a single-phase magnetizing coil escited from the secondary of a j o c s phase-shifting transformer connected to 3 - phase mains, the only requirement … … balanced and the escitation voltage constant .
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Comparison of Preregulators as Power Savers
… inferred from Fig. 1, the tests were 1) power supply with no preregulation, 2) supply with diode rectifiers replaced by phaseback SCR preregulator, 3 ) supply with input ac controlled with phase -back triac regulator, 4 … … input ac controlled by constant voltage transformer .
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Non Linear Control of STATCOM
… is the current taken by loads after connecting STATCOM to lines with help of single phase transformers . V. CONCLUSION The proposed voltage controller of parallel operated synchronous generators for feeding 3 - phase 4-wire loads driven by constant speed prime mover like …
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Kauai Island Utility Cooperative energy storage study.
A voltage source was connected at every node, in order to keep the voltage and phase angle constant .14 Figures A- 3 and A-4 represent the validation for one of KIUC’s 60-kV transmission lines and one system transformer .