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Three Phase
Three voltage waveforms at 120°,1/3 of a cycle offset in time.
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Phase Angle Voltmeter, Industry Standard
2250A
NAI's 2250A Phase Angle Voltmeter is the most accurate and versatile AC measurement tool in the Synchro/Resolver and LVDT/RVDT marketplace. Considered the industry standard and based on the latest DSP and FPGA technologies, the 2250A substantially extends and simplifies the capabilities of the legacy 2250 model.
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AC-Powered, Phase Sequence Monitor
PAA/PLA
NAI's PAA and PLA are AC-Powered, Phase Sequence Monitors that protect three-phase loads from damage due to phase reversals or phase absence. These sequence monitors are ideally suited for rugged defense and industrial applications.
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Dynamic Braking Resistors
Speed of three phase asynchronous squirrel-cage motors and three phase synchronous motors are generally controlled by motor drives where frequency of the drive output determines the motor speed, and it can be adjusted without dependence on the voltage magnitude.
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Get Flexible, Get FlexiFLASH
LatticeXP2
*Up to 885 Kbits sysMEM™ embedded block RAM and up to 83 Kbits distributed RAM*sysCLOCK™ PLLs up to four analog PLLs per device that enable clock multiply, divide and phase shifting*Three to eight sysDSP blocks for high performance multiply and accumulate.*Pre-engineered source synchronous IOs for DDR/DDR2 up to 200 MHz and 7:1 LVDS interface support up to 600 Mbps*Available in csBGA, TQFP, PQFP and BGA packaging
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Half, Full Bridge & Three Phase Drivers
Renesas' half-bridge (h-bridge), full-bridge and three-phase drivers handle voltages up to 100V, with industry-leading gate rise and fall times and exceptional input-to-output propagation delay performance.
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High Impedance Busbar Differential Relay
MIB
The MIB, a member of the M II family of economical and highly functional digital protection relays, is a microprocessor based relay that provides three phase high impedance differential protection for Substation Bus-bars of any voltage level. Use the MIB also to protect electrical machines like transformers, generators or motors against restricted earth faults.
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High Impedance Differential Module
HID
Use the HID module in conjunction with a high-speed overcurrent relay to provide three phase high impedance differential protection for substation busbars of any voltage level. Additionally, it can also be used to protect electrical machines like transformers, generators or motors against restricted ground faults.
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High Impedance Transformers
Osborne high impedance transformers are used to step-up, step-down and isolate voltages in single phase and three phase circuits. A properly designed high impedance transformer can be used an an equivalent to an isolation transformer connected in series with an inductor. The high impedance characteristic may be employed as a current limiting feature in both the primary and secondary circuity.
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Linear regulated power supply with thyristor pre-regulation
NTN
High efficiency Short circuit proof and unlimited operation with full current in short circuit condition voltage and current regulation with automatic and sharp transition; control mode indicated by LEDs Voltage and current setting with 10-turn potentiometers with precision scale; the adjusting knob can be locked 4 digit DVM for voltage and current (for table-top models) Sense terminals for the compensation of voltage drop on the load lines. The nominal voltage always refers to the output terminals Parallel and series connection possible Suitable for inductive and capacitive loads for 700 W nominal power and higher, limitation of inrush current on switching on Interlock loop to monitor the external load and internal loop as a standard for three phase units Elapsed-hour meter as a standard for three phase units
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Motor Protection Meter
MPM
The MPM provides additional metering capabilities such as three phase voltage, pf, real power, reactive power, Wh, and frequency for the 269 or 269 Plus Motor Management Relay.
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PORTABLE THREE PHASE AC VOLTAGE AND CURRENT SOURCE
GF303D
Beijing GFUVE Electronics Co.,Ltd.
The GF3031 is a powerful and portable three phase current and voltage source. All test values are generated absolutely synthetically with a high degree of accuracy and stability. The source is available in 12 A, 24A or 120 A.The GF303D three phase portable power source is a lightweight and portable current and voltage source based on newest technology and serves for solving this problem by simulating the required load conditions. Operation is performed by integrated 7" touch screen or via keyboards
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PORTABLE THREE PHASE ELECTRIC METER TEST BENCH
GF302D
Beijing GFUVE Electronics Co.,Ltd.
The Portable Three Phase electric Meter test bench is used for grid corporation to cablibrate 3 phase electric meter error. It can test three meters error at one time.
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Portable Three Phase Transformer
Supreme Instrument Laboratories
Portable 3 phase double wound transformers both step-up & step-down, natural air cooled construction, housed in well ventilated sheet steel cabinet duly powder coated. All the input and output terminals are brought out and terminated on highly insulated bakelite panels duly marked for easy connection. Necessary carrying handles and castor wheel will be provided for portability.
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Power RC Snubbers
Single phase and Three phase availableSuitable for AC and DC voltage applicationResistance and rate power of Resistor : 1 - 50W ( can be customized to 100W or above )Voltage: 63Vac, 125Vac, 280Vac, 480Vac, 500Vac, 600VacOperating temperature : -25~+85C / -40~+105CTesting Voltage : : 1.5 x Un 10sec ( can be customized )Varistor and Diode options available. Different applications can have very different electrical and mechanical profile requirements.Please feel free to send your application details for a suggestion and quotation.
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Power Stabilizers
Manufacturer of a wide range of products which include 100 KVA Power Stabilizer, Three Phase Power Stabilizer, Electric Power Stabilizer, Industrial Portable Stabilizer, 50 KVA Power Stabilizer and 100 Kva Power Stabilizer.
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Precision Frequency Comparator
VCH-314
Frequency comparator VCH-314 controlled by Personal Computer is a system for precise phase and freqyency instability measuring. It contains two identical measuring channels (three input signals). Using cross-correlation technique allows to obtain super-low measurement error and to calculate frequency instability of each single signal separately.
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Programmable AC and DC Power Source
AFX Series
The AFX Series is a family of high power, single, split and three phase, AC, DC and AC+DC output capable Power Sources. Available models range from 6 kVA to 90 kVA with available configurations to 150kVA. Using a modern user interface for ease of use, the AFX Series is cost effective and fully programmable for both basic frequency conversion and advanced AC power line or DC power disturbance test applications.
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Three Phase Coupling/Decoupling Network
CDN 3043 Series
- Compliant with IEC 61000-4-4 & 5- Universal teminals- no special plugs required- Safety HV plugs and terminals-Manual/programmable EUT power ON/OFF control- Short term overstress capability
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Three Phase Load Bank
REOLOAD 310
A three phase load bank rated for 48kW, with fan cooling. The front panel layout includes a switch panel for configuring the separate resistor modules to give the required resistance and current range. There are also digital panel meters for displaying the phase voltages and currents. An interface for PLC control is also provided.
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Three Phase Manual Coupling/Decoupling Networks
CDN 3083 Series
Three phase 440 VAC/DC and 620 VAC/DC 100 and 200 A manual coupling/decoupling networks (CDNs) for Surge.
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Three Phase Multifunction Static kWh Meter
SY 1065
Hong Kong Songyang Industrial Ltd.
This kind of meter integrates many functions into one, realizes the functions of time-sharing electricity measurement for active double-direction, measuring demand, sinusoidal reactive, calculating power factor, displaying and tele-transmitting present voltage, current, power and load curve etc. and it realizes the function of recording all the missing voltage, missing current and the percent of pass for voltage,
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Three Phase Relay Test Set
RELTEST 1000
RELTEST 1000 is a multifunctional relay test set, especially designed for distribution, smart grid and renewable energy plants.
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Three Phase Transformer Ratio Meter
*Three phase lead switching network. *Excitation current meter Accessories: Range Extender 1:5
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Three Phase Voltage Disturbance Recorder
PQR 2020
The PQR 2020 is a Three Phase Voltage disturbance detector and recorder. This device is designed to be connected to a single phase 120V or 240V AC line or a Three Phase 208/240/480 Volt AC line and will monitor these lines for voltage disturbances.
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Transformer Ratio Meters
TRM-200
Three phase lead switching network • Excitation current meter Accessories: Range Extender 1:5.
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Voltage Recorders
Voltage Optimisation & Voltage Stablisation have become popular; the Electrocorder range of single & three phase Voltage portable Recorders are extensively used in this area as well as supply voltage analysis.
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15W to 480W - Single Output
DRB Series
*Single and Three Phase Input Models*High Efficiency, up to 94%*Peak Power Capability Models, 20% for 2sec*Long E-Capacitor Life*Class 2 Models to UL 1310*Class 1 Div 2 for Hazardous Locations
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PORTABLE THREE PHASE MULTIFUNCTION ELECTRIC METER CALIBRATOR
GF312V2
Beijing GFUVE Electronics Co.,Ltd.
GF312V2 portable three phase multifunction energy meter calibrator is with comfort design, small size, and light weight. It is suit for electric power departments, measuring and quality examining departments and electric lab to field use.
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Phase Rotation Indicator
9040
The Fluke 9040 is effective for measuring phase rotation in all areas where three phase supplies are used to feed motors, drives and electrical systems. The Fluke 9040 is a rotary field indicator and can provide clear indication of the 3 phase via an LCD display and the phase rotation direction to determine correct connections.
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Variable Frequency Drives (VFD)
High performance, cost effective VFDs, ideal for both machines & process control.Unitronics VFDs offer options for both single and three phase VFDs from 0.4 kW and up to 500 kW.Unitronics VFDs can be used as a stand-alone product, or as part of a complete All-in-One package with our controllers.
