Wednesday, January 22, 2025

LZCK720-10 RESIN CASTING MEASURING & PROTECTIVE DRY TYPE SPLIT CORE CT

The Model LZCK720-10 split core ct is a ring type resin casting split core current transformer. Some clients also called it as TTCC. This model can be used both for measurement and microcomputer protection of electrical equipment in 11KV and 35KV AC power system of ring network switchgears such as ABB-Safe Ring/Safe Plus...and cable distribution boxes.

We used imported silicon material and using our mature advanced producing technology we make sure our transformer has very goog linear and more than 20 years using life in order to be qualified with all the jobs. The semicircular ring core and secondary windings are vacuum poured by insulated resin. All of our current transformers are strictly comply IEC60044-1, IEC 61869-2, NTC 2205, GB1208-2006, GB20840.2-2013, ANSI/IEEE C57.13.

APPLICATION

■ Power Meter;

■ Energy meter;

■ MV switchgears;

■ Air switch cabinet;

■ Distribution boxes;

■ Power Quality meter;

■ Ring network cabinet;

■ Measuring instrument;

■ Protective relay device;

■ Current load monitoring;

■ Low voltage metering system;

■ Distribution Power transformer monitor system;

FEATURES

■ Size:φ80xφ130x50;

■ Support Dual Ratio;

■ High precision 0.5S or 0.5;

■ Using life more than 20 years;

■ Holding wire diameter: φ80mm;

■ Measurement range 0-1500A AC;

■ Easily installation, with mounting bracket;

■ High magnetic conductivity silicon steel material;

■ Secondary windings are vacuum poured by insulated resin;

■ IEC60044-1; IEC 61869-2; ANSI C57.13; NTC 2205; GB1208-2006;

Sunday, January 12, 2025

GF1115P PROGRAMMABLE AC LOAD UNIT

GF1115P three phase programmable AC load unit is mainly used as the load for on-site verification of electric vehicle AC charging pile. The on-site detection process of AC charging pile can be realized by cooperating with our GF1115 AC charging pile on-site test set. The whole detection process meets the requirements of relevant national detection standards and measurement standards JJG 1148-2018 verification regulation of electric vehicle AC charging pile.

The internal motherboard of the resistance load box adopts the processor chip of armcortex-m4 core architecture, which automates the workflow of the whole resistance load box, reduces manual participation and saves operation time. The internal structure adopts multi-channel high-power resistance parallel connection, which is connected through high-quality relay control. Multiple gear switching can be realized through the control relay. The whole process is fully automated without manual participation. Forced air cooling is adopted, and the circuit structure is simple without too much maintenance, saving the heat dissipation cost. Internal temperature detection is set to monitor the working temperature in the box in real time, ensuring the safety and reliability of the load in use. Two national standard AC charging gun sockets are installed on the box to facilitate user cascade and increase load power.

FEATURES

■ Forced air cooling;

■ Remote control via CAN bus or serial port;

■ With insulation grounding protection inspection function;

■ The load box has the function of automatic resistance shift;

■ The equipment can be powered supply by mains AC supply or charging pile;

■ It has the functions of emergency stop protection, overcurrent, overvoltage and short circuit protection;

■ Under the rated voltage, the minimum current step is 4.5mA, the minimum power step is 1W, and all have 8192 gears;

■ Realize the power verification points required in JJG 1148-2018 verification regulation for AC charging piles of electric vehicles;

■ Support a variety of working modes, constant current mode, constant voltage mode, constant resistance mode, constant power mode;

■ The box body is equipped with 2 metering sockets meeting the safety requirements, and the loads are controlled through CAN bus;

■ With advanced control algorithm and DSP digital control implementation, it is suitable for various load regulation requirements with high precision, high speed and high stability;

■ The equipment is equipped with voltage and current calibration and correction function, which can calibrate and correct the measured value of the instrument at any time, so as to ensure the measurement accuracy of the instrument used for a long time;

■ Built in temperature sensor, when the temperature in the box is too high, it will actively disconnect the load for high temperature protection, and send out an alarm at the same time. In addition, it can try to monitor the temperature in the box through the communication port;

APPLICATION

■ Electrical laboratory;

■ EV & Charging pile factory;

■ Metrological service center;

■ Laboratories of power utilities;

■ Third party testing organization;

■ Electricity power bureau & power company;

■ National Metrology and testing department;

■ Charging pile operation and maintenance organization;



Sunday, January 5, 2025

GB8002 RACK-MOUNT HIGH PRECISION BEIDOU/GPS NTP TIME SERVER

GB8002 high precision BeiDou / GPS time server is developed by our company based on GPS timing technology device. It can display and send standard time. The time server uses the PPS and time message of BeiDou Navigation System and GPS (Global Positioning System) satellite to output time synchronization pulse. The device uses SMT surface mount technology for production and high-speed chip for control, with high precision, high stability, strong function, no accumulative error, cost-effective and easy to operate. It is also not limited by geographical and climatic conditions. The device can be widely used in electric power system, network synchronization, communication, traffic management and national defense need timing and punctuality etc.

The device has a variety of interfaces. such as RJ45, RS-232, RS-422/RS-485, IRIG-B, TTL Pulse etc. Multi-channel output pulses such as seconds, minutes and hours (free translation), convenient connections and related device, implements unidirectional or bi-directional communication.

FEATURES

■ Provide programmable TTL pulse, can be set to PPS, PPM and PPH, flexible and convenient.

■ 1U Frame structure ,19 inch standard chassis, easy installation and maintenance.

■ All-weather signal coverage to ensure long-term continuous high-reliability high-precision timing.

■ All signal input and output interfaces are photoelectric isolation measures, safe and reliable.

■ High performance, wide range switching power supply, AC-DC compatible input, convenient and reliable, stable operation.

■ Satellite signal receiving and self-service hot standby, according to priority automatically select clock source, seamless switching.

■ The 32-bit high-speed microprocessor + large-scale integrated FPGA chip, parallel high-speed data processing and various codes, excellent performance.

■ Separate 10 M/100M network ports (each port has a separate MAC address), flexible configuration, can be used in different sub-nets or different physical isolation networks, using NTP/SNTP protocols to provide time synchronization services.

■ High-precision punctuality frequency is derived from adaptive synchronization technology, closed-loop control punctuality technology to tame constant temperature crystal oscillator, to achieve long-time high-precision punctuality.

■ Central master clock has 1 channel pulse ,10 channels B code ,3 channels 232 serial port ,3 channels 485 serial port ,2 channels Ethernet.

■ Optional GPS or BeiDou or CDMA three satellite receiving modes, high signal strength, local distributed installation is convenient. Especially suitable for communication base station, power plant, substation, machine room and other equipment time synchronization.

APPLICATION

■ Power plant;

■ Airport time system;

■ Hospital time system;

■ Electric power system;

■ Traffic management system;

■ Radio and television system;

■ Financial insurance company;

■ Network time synchronization;

■ Mobile communication system;

■ Petrochemical iron and steel enterprises;

#Beidou/GPS Timer Server, #Rack-Mount High Precision Beidou/Gps Ntp Time Server, #Timer Server


Sunday, December 29, 2024

FU-LV30 SERIAL CE UL LOW LOST LOW VOLTAGE CURRENT TRANSFORMER

FU-LV30 serial low voltage current transformer is low cost ac current instrument transformer, measuring AC current from 5A to 3000 Amps passing through the center conductor. This model has four diameter version (Φ30mm, φ35mm, φ45mm, φ42*10mm, φ50*12mm, φ50*103mm), suite for all kinds of customers application. Low voltage current transformers are intended for supplying measuring instruments and protection circuits of electrical power devices with a maximum operating voltage of 0.72kV and frequency of 50Hz (or 60Hz after prior arrangement with the manufacturer). LV current transformers are supplied with accessories which help to install and secondary terminal cover with possibility of sealing. All of our current transformers are strictly comply IEC60044-1, IEC 61869-2, NTC 2205, GB1208-2006, GB20840.1, GB20840.2, JJG1021, ANSI/IEEE C57.13, IEC 60185.

APPLICATION

■ Load center;

■ Energy meter;

■ Protection relay;

■ Power quality meter;

■ Digital fault recorders;

■ Three phase balance control;

■ Smart grid application features;

■ Various power monitoring systems;

■ Energy meter current measurement;

■ Power measurement device for PLC;

■ Sub-metering accurate measurement;

■ In-factory display In-home display;

■ HEMS (home energy management system);

■ BEMS (building energy management system);

■ Inverters for solar & wind turbine systems;

■ Data loggers to analyze building & machinery performance;

FEATURES

■ Most cost-effective;

■ Rated voltage≤0.72kV;

■ Burden from 2.5VA to 20VA;

■ CE, UL/EN 61010-1 certified;

■ High accuracy 0.2, 0.2S, 0.5, 0.5S;

■ Design using for more than 20years;

■ Measurement range of 5A to 3000A AC;

■ Low phase shift for power measurement;

■ Small-size, compact size, light-weight;

■ Fully encapsulated by unsaturated resin casting;

■ Safe and easy installation to distribution panels;

■ Isolated plastic case recognized according to UL94-V0;

■ Using high magnetic silicon steel, good linearity and high sensitivity;

■ Holding wire diameter: Φ30, φ35, φ45, φ42*10, φ50*12, φ50*103, φ70*137mm;

■ Current, electrical energy measurement or relay protection in 50Hz/60Hz A.C. circuits;

■ Middle open window area for let-through bus and metal plate base for CT fixing installation;






Monday, December 23, 2024

LZCK350-10 100/5A EPOXY RESIN 20VA HIGH VOLTAGE SPLIT CORE CTS

The Model LZCK350-10 is a ring type resin casting split core current transformer. Some clients also called it as TTCC. This model can be used both for measurement and microcomputer protection of electrical equipment in 11KV and 35KV AC power system such as such as ABB-Safe Ring/Safe Plus...and cable distribution boxes.

We used imported silicon material and using our mature advanced producing technology we make sure our transformer has very goog linear and more than 10 years using life in order to be qualified with all the jobs. The semicircular ring core and secondary windings are vacuum poured by insulated resin.

All of our current transformers are strictly comply IEC60044-1, IEC 61869-2, NTC 2205, GB1208-2006, GB20840.2-2013, ANSI/IEEE C57.13.

FEATURES

■ Support Dual Ratio;

■ Size:φ50xφ110x105;

■ Large burden design;

■ High precision 0.5%;

■ Using life more than 20 years;

■ Holding wire diameter: φ45mm;

■ Measurement range 0-1000A AC;

■ Easily installation, with mounting bracket;

■ High magnetic conductivity silicon steel material;

■ Secondary windings are vacuum poured by insulated resin;

■ 50/5A, 100/5A, 200/5A, 300/5A, 400/5A, 500/5A, 600/5A, 1000/5A;

■ IEC60044-1; IEC 61869-2; ANSI C57.13; NTC 2205; GB1208-2006;

APPLICATION

■ Meter tester;

■ Power Meter;

■ Energy meter;

■ MV switchgears;

■ Air switch cabinet;

■ Distribution boxes;

■ Power Quality meter;

■ Measuring instrument;

■ Ring network cabinet;

■ Current load monitoring;

■ Low voltage metering system;

■ Distribution Power transformer monitor system;



Sunday, December 15, 2024

TEST-905 5000A PRIMARY CURRENT INJECTION TEST EQUIPMENT FOR CIRCUIT BREAKER TESTING

TEST-905 5000A primary current injection test equipment adopts ARM chip to control the output process and large capacity of toroidal transformer. It is equipped with LCD screen display ammeter, also showed primary current value, secondary current value, turn ratio and the action time. Aluminum alloy body with PC panel component the shell. TEST-905 primary current injection test equipment is mainly applied to test CT turn ratio and polarity in the power system, the contact resistance, protection relay, low voltage & high voltage circuit breaker protection test and high voltage generator test etc, which need large current on-site or in the lab. This primary injection test equipment can be used as cable temperature rise testing equipment.

FEATURES

■ Portable designed

■ Quick and easy to use

■ With CT ratio test function

■ With 6m large current cable

■ Max current output up to 5500A

■ Built-in digital timer, resolution 1 ms

■ Built-in digital ammeter 0.5% accuracy

■ Permanent current up to 5000 A, 30KVA

■ Made up of two units, control and power unit

■ Thermal, short-circuit and overload protection

APPLICATION

■ Switchgear testing

■ Ground Grid testing

■ Circuit Breaker testing

■ Protective Relay testing

■ Temperature rise testing

■ Current Transformer Testing

■ Recloser and Sectionalizers

■ 5000A Primary injection tests



Sunday, December 8, 2024

GF6019D1 PROGRAMMABLE HIGH PRECISION 500A 1150V DC POWER SOURCE

 GF6019D1 high precision DC power source is a standard voltage and current source newly designed and developed by GFUVE GROUP. In order to meet the current requirement for DC energy meter verification in the market, it follows the international standards of DC energy meters, adopts the latest technology, and the main elements of the devices are all industrial-grade, which can support large current signals from 0 to 600 ADC, and the accuracy level is better than 0.05%; 0~1150V DC voltage output, the accuracy level is better than 0.05%; 0~5V DC voltage analog shunt output, the accuracy level is 0.05%, and supports the voltage and current output ripple superposition function, which can be used for the virtual load verification of the DC energy meter, the ripple interference test, or as a separate voltage standard source, current standard source, and DC power standard source.

The GF6019D1 DC power source adopts a 19-inch color TFT touch LCD screen, with a clear and simple interface, convenient operation and good visual effect. The core module adopts 32-bit high-speed DSP combined with adaptive Lagrangian interpolation algorithm to eliminate the hardware asynchronous error of DC ripple, and the waveform quantization adopts 32-bit dual modulation output technology to ensure high output accuracy. The device output has overcurrent and overheating protection, which is safe and reliable.

FEATURES

■ Support program by user;

■ Wide range 0-600A/0-1150V;

■ Testing EV DC charging pile;

■ DC power source integrated;

■ Test by automatic or manual;

■ Start testing and creep testing;

■ User friendly menu guided operation;

■ Built-in DC meter verification scheme;

■ Recorder 10000 sets energy meter data;

■ Multi-range, high precision 0.02%/0.05%;

■ Adopting DSP+MCU processor technology;

■ DC current source and DC voltage source;

■ Easy verification and analysis of DC meter;

■ Using software calibration, stable and reliable;

■ Overload, short circuit, open circuit protection;

■ Testing all kinds of DC ammeter, DC voltmeter;

■ Automatic operation without need of an external PC;

■ Testing all kinds of DC energy meter, DC power meter;

■ 19 inch TFT touch screen, English display, easy to operate;

■ Especially configured USB stick for storage of customer data;

APPLICATION

■ Universities;

■ Electrical testing center;

■ DC energy meter R & D;

■ Transducer manufacturers;

■ Digital meter manufacturers;

■ Pointer meter manufacturers;

■ Railway electrical department;

■ ISO17025 Electrical laboratory;

■ DC panel meter manufacturers;

■ DC power meter manufacturers;

■ Electricity power bureau & power company;

■ National metrology and testing department;

■ Electrical Department of industrial and mining enterprises;