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Voltage Transformer

a type of intrument transformer enabling secondary connected metering.


Showing results: 331 - 340 of 340 items found.

  • Portable Power Quality Analyzer

    PDA 1252 - Electro Industries/GaugeTech

    The PDA 1252 is a portable power quality analyzer designed to monitor, isolate and troubleshoot power system disturbances. Using our advanced analysis software, the Communicator EXT application, view real time data presented in a simple and powerful format. Maximize the Communicator EXT application's power with the optional AiReports to generate disturbance solutions and advanced power reports. The unit is ideal for load surveys, program, monitoring transformer banks and indoor/outdoor electrical monitoring. The PDA 1252 Power Quality Analyzer is mounted in its own watertight carrying case and uses watertight connectors to connect voltage and current leads. Based on the Nexus 1252 platform, the PDA 1252 is easy to use and operate.

  • DIGITAL TURNS TESTER AND DIGITAL LCRTZ METER

    TURNS-LCRTZ - Vasavi Electronics

    Digital TURNS TESTER with LCR for Counting / Measuring Number of Turns for Toroidal Coils , Current Sensor , Current Transformer , Round Core Coils. Can measure, Turns along with Winding Polarity , DC Resistance , Inductance (L), Capacitance (C), DC Resistance, Rac, Q, D, ESR and Tan.Toroidal Turns Platforms :TTPT100 : 5 T - 1000 T , TTPT1000 : 500T-10000 T The Platform has 2 connections for the coil and 2 for the probe wire. Measurement principle is based on dynamic comparison of the voltage across one turn and the coil. You will be able to get the polarity or winding indication with respect to the one turn reference.Accuracy : + 0.2% + 0.5T for high and medium permeability cores at suitable test frequency. Internal Diameter must be able to pass a wire as thin as 0.2 mm. External Diameter as high as 200 mm.Test Frequency Selectable in Step : 50 Hz, 100 Hz , 500 Hz, 1 KHz, 5 KHz, 10 KHz. Test Voltage adjustable : 100mV to 1V in steps of 50mV.

  • 1μΩ-4kΩ AC Milliohmmeter Low Resistance Tester

    TH2521 - Shenzhen Chuangxin Instruments Co., Ltd.

    TH2521 AC Milliohmmeter is a high-performance and intelligent tester widely used to test contact resistance, internal resistance and battery voltage. The application of constant current source with 1kHz frequency can greatly eliminate the potential error caused by thermoelectricity on DUT. This meter has the function to automatically detect contact failures on test cable. At the range of 30mΩ, basic R resolution can reach 1μΩ. It is applicable for transformer, inductance coil copper resistance, relay contact resistance, switch, connector contact resistance, wire resistance, PCB line and via reistance dan metal defect detection, etc. In the mean time, signals, such as HIGH, LOW, PASS, can be output through HANDLER interface, thus it is very convenient to be used in automatic production line.

  • 60kw off grid power inverter 110/220V split-phase output converter

    SDP-60KW - Zhejiang Sandi Electric Co., Ltd

    Our SDP series Off Grid Pure sine wave inverter is one of the most advanced DC to AC conversion products in the world, it is suitable use for areas without electricity, vehicles, ships, solar energy, wind turbine and other renewable energy systems and etc, can supply power and provide guarantee effectively for the areas with traffic inconveniences, in the mountains, pastoral, border, island and other areas without electricity. It has the main advantages of high quality sine wave AC output, microcomputer control, humanness design, and it is high efficiency and low no-load loss, and no pollution. The inverter can also supply AC power to all kinds of electric equipment, air conditioners, motors, refrigerators, lights, TV, electric fans and other industrial power supply.1. Using the sixth generation efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It with powerful protection function, the protection for short circuit, over load, over temperature is more safe and reliable. It’s service life can up to 15 years or more.2. Intelligentized, modularized, simple structure design with powerful function.3. Two kinds of start mode: Step-down Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. This function is very convenient for users and also reduce frequency converter’s usage, which reduced the cost of equipment investment, easy to connect wires and control.4. The output frequency can be setting via LCD panel, it’s very convenient for customer.5. The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy ±1%.6. The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel.7. Pure sine wave output. With good dynamic response less than 50MS, waveform distortion rate smaller, higher conversion efficiency and stable output voltage.8. Low Frequency Transformer, which ensures that inverter has high efficiency.9. High conversion efficiency, Max. Efficiency≥94%,if 48VDC input,the efficiency can more than 85%.10. Adopts black pure aluminum radiator, which confirms the best radiating performance.11. Powerful data display function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display.12. Wide input voltage can be set according to customer’s requirement. Input voltage range can be selected from 150-400V or 300-600V or 400-800V.13. Wide input voltage can work without battery and solar charge controller,save more cost and With MPPT wide voltage input function, maximum use of solar power

  • Automatic Instrument Transformer Test Set

    Eltel Industries

    *ARM 9 processor controlled measurements*Measures total burden connected to test sample*Internal data storage facility upto 1 lakh readings*Digital display of test results on 800 x 480 TFT color display.*Latest IEC 61869 / ANSI C57.13-2008 / IS-2705 standards incorporated*VGA Port to interface with bigger display / monitor*Both Voltage & Current Transformer testing with one test set*5 and 1 Amp CT testing using either 5 or 1 Amp standard CT*Identifies ANSI, IEC, IS-P, IS-PR, BS, BS-S, IEC-S, IS, IS-S, AS, AS-M, AS-ME standards for CT & VT*USB memory storage*Available in three versions: AITTS Plus , ACTTS Plus & AVTTS Plus

  • Advanced Handheld Partial Discharge Detector for Electric Power Equipment with Multi-Sensor and Cloud Diagnostic Technologies, Data Management Software, and Test Management App

    PDetector - Power Monitoring and Diagnostic Technology Ltd.

    The PDetector is an ideal device for On-Line Partial Discharge (OLPD) testing of MV and HV equipment which employs all 5 types of OLPD sensor technology: Ultra-High Frequency (UHF), Acoustic Emissions (AE), Ultrasonic, High Frequency Current Transformer (HFCT), and Transient Earth Voltage (TEV). The information from multiple sensors gives the PDetector the versatility to detect all types of PD in all types of substation apparatus. The exact type of PD activity can be determined effectively using multiple on-screen data spectrum analysis. The PDetector greatly simplifies and standardizes the routine OLPD testing procedure by using the Intelligent Patrol function, the PDetector App, and the PMDTCloud. It is a very powerful and helpful tool for substation operators to conduct routine testing in a substation quickly, to determine what the issue is, and where it is located.

  • MIL-STD-1553 Test & Simulation Instrument for PXI

    PXI-C1553 - Avionics Interface Technologies

    Dual redundant, single, dual or quad stream configurationsSoftware selectable Transformer, Direct, and Bus Stub Coupling Modes - Concurrent Bus Controller, 31 Remote Terminals, & Bus monitor operation - Full error injection and detection - Multi-level triggers for capture and filtering - Ten high voltage (up from 30V) programmable DIO lines - IRIG-B time code encoder/decoder with free-wheeling mode - Time Synchronization to PXI 10MHz reference clock - Real-Time recording and physical bus replay - PXI trigger generation on 1553 bus events - Initiate BC, RT Simulation and BM Capture on PXI Triggers - Application interface supporting C, C++, C#, and .NET development - Device driver support: Windows, Linux, LabVIEW Real-Time (others on request) - Compatible with AIT’s Flight Simulyzer GUI Bus Analyzer Software

  • Fully Automatic Transformer Winding Resistance Tester

    Neutronics Manufacturing Co.

    Measure DC resistance of transformers windings etc. Introduction: The NMC ''TDR'' is a high precision, new generation, light weight large output current and micro-processor controlled tester. This replaces old DC wheat stone bridge and double arm bridge for measurement of DC resistance. ''TDR'' adopts new advanced test current power supply technology, four terminal measurement, digital display of resistance value and test current. ''TDR'' is powered by 220V AC mains single phase supply. The measurements are accurate as the test current is highly stable. High automation is achieved with automatic discharge warning.Principle: The constant current generated is fed to the resistance under test through the current terminals and the voltage drop across the resistance under test is measured and displayed in ohms. A true four terminal measurement is used to eliminate the need for lead resistance compensation.

  • PC Controlled Bench Top Power Analyzer

    PA2100 - Powertek LLC

    The PA2100 is a PC controlled bench top power analyzer, allowing several electrical power measurements to be taken simultaneously during testing - from just one set of input connections. The PA2100's power measurement ability is a must in research and development, manufacturing and required for certification and traceability of manufactured goods. In addition to power measurements, apparent power (VA), harmonics, voltage, current, power factor can all be viewed and stored with ease. The PA2100 wattmeter simply connects between the ac supply and the load, various current transformer options allow measurement with any size of current from 10mA to 10000A. Typical watt meter applications include appliance testing; microwave ovens, electric stoves, heating, air conditioning, TVs, monitors, computers, electronic lighting, fans and motor controllers. Powertek wattmeters are equipped with 4mm/banana safety terminals along with optional "breakout" boxes and clamp current probes for fast and safe measurement.

  • Power Phase Converter Single phase 220VAC to 3 phase 380VAC Converter

    SDT-40KW - Zhejiang Sandi Electric Co., Ltd

    SANDI SDT series single-phase to three-phase converter, adopted SVPWM modulation control technology, which can convert ordinary single-phase power to industrial three-phase power. After through SDT series single-phase to three phase converter power conversion, the three-phase power output is standard pure sine wave, the harmonic distortion rate (THD) is less than 2%, totally meet the national standards of three-phase power quality, applicable to all types of load.The SDT series single-phase to three-phase converter can solve production inconvenience because of some areas with the three-phase electric power restrictions, also solved some user requirements that can?謒?apply for the three-phase electric because of space limitation.Features1) Using the fifth generation efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It with powerful protection function, the protection for short circuit, over load, over temperature is more safe and reliable. It's service life can up to 15 years or more.2) Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. This function is very convenient for users and also reduce frequency converter?謒?usage, which reduced the cost of equipment investment, easy to connect wires and control.3) Pure sine wave output with good transient response less than 50ms, waveform distortion is very little, higher conversion efficiency and stable output voltage.4) Adopted low frequency transformer which ensure the input voltage and output voltage are completely electrical isolated to avoid interference.5) Using SVPWM space vector algorithms, high conversion efficiency, high instantaneous power and low losses conversion efficiency up to 94%.6) Output AC Power is suitable for all types of electric appliances, electric tools, electric motors etc. higher capability of driving load.7) Converter has the function of filtering the grid disturbance and interference at the same time, which is a good performance of stabilized voltage and frequency power, to provide a more stable and pure power supply environment for the backend devices.8) Output perfect protection function, with output over-voltage, overload, short circuit, over temperature, self-diagnosis protection and other protection.9) High conversion efficiency, high instantaneous power and low load loss.10) The input voltage, output voltage, frequency and phase can be custom made.SpecificationModel SDT-40KWIsolation mode Low Frequency TransformerAC InputRated voltage (Vac) 240V single-phase 60HZVoltage range (Vac) 190-270VInput current (A) 167AAC OutputRated power (KW) 40KWRated voltage 240V ± 2%Output phases Three-phase with Neutral wires (L1, L2, L3 + N)Rated current (A) 96AOutput frequency 60Hz ±0.05 (50HZ can be set)Waveform Pure sine waveVoltage accuracy Load balancing≤1%、Unbalanced load≤5%Waveform distortion rate (THD) Linear load≤2%、Nonlinear load≤3%Dynamic Response 5%,≤50ms (load 0~100%)Power Factor (PF) 0.99Inverter Efficiency ≧85%Electrical insulation properties 2000Vac、1 MinuteProtection FunctionOverload Ability 150%、10sProtection Input under voltage, overvoltage, output over-current, short circuit, overheating etc.Display LCD+LEDMethod of working Working continuouslyCooling method Intelligent fan coolingShort-circuit protection No automatic recovery, need to restart the machineWorking Environment & Mechanical dimensionDegree of protection IP20 (indoor)Working Altitude(m) ≤3000mWorking temperature (℃) -20~+50℃Relative humidity (℃) -25~+85℃Noise (1 meter) ≤60dBReference size: (W x D x H) 750×750×1480mmReference net weight (Kg) 340Kg

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