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;



Monday, December 2, 2024

TEST-902 2000A PRIMARY CURRENT INJECTION TESTER FOR PROTECTION RELAY

TEST-902 2000A primary current injection tester adopts ARM chip to control the output process and large capacity of toroidal transformer. It is equipped with LCD screen display current meter, also showed primary current value, secondary current value, turn ratio and the action time. Aluminum alloy body with PC panel component the shell. TEST-902 primary current injection tester 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.

FEATURES

■ Portable designed

■ Quick and easy to use

■ With CT ratio test function

■ With 6m large current cable

■ Max current output up to 2200A

■ Built-in digital timer resolution 1 ms

■ Built-in digital ammeter 0.5% accuracy

■ Permanent current up to 2000 A, 12KVA

■ 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

■ Current Transformer Testing

■ Recloser and Sectionalizers

■ 2000A Primary injection tests



LC-2KV AUTOMATIC TRANSFORMER OIL TAN DELTA TEST SET

The LC-2KV automatic transformer oil tan delta test set designed and manufactured according to GB/ T5654-2007 "measurement of relative capacitance, tan delta and dc resistivity of liquid insulation materials". Used for measuring tan delta and dc resistivity of insulating liquid dielectric such as insulating oil. Integrated structure. Internal integration of tan delta oil cup, temperature controller, temperature sensor, tan delta test bridge, ac test power source, standard capacitor, high resistance meter, dc high voltage source and other main components. The LC-2KV test set is equipped with a 5.7-inch TFT pure color LCD touch screen and a English menu. The test results can be stored and printed out automatically. The operator can use it skillfully without professional training.

FUNCTION & FEATURES

■ Stable output voltage;

■ Built-in real-time clock;

■ With USB, RS232 port;

■ High speed RAM9 platform;

■ Voltage resolution and accuracy ±1%;

■ Insulating oil tan delta & Resistivity test;

■ Empty cup electrode calibration function;

■ Electromagnetic compatibility concept(EMC);

■ Standard GB/T5654-2007, IEC 60247, IEC 61326;

■ Adopted 5.7 inch pure color TFT LCD touch screen display;

■ Internal standard capacitor for SF6 inflatable three pole type capacitor;

■ Medium frequency induction heating, PID temperature control algorithm;

■ Voltage setting range 200 ~ 2200V AC, 0 ~ 500V DC voltage setting range;


APPLICATION

■ Universities;

■ Power plant;

■ Research institutes;

■ Insulation oil factory;

■ Electrical testing center;

■ Transformer manufacturers;

■ Railway electrical department;

■ ISO17025 Electrical laboratory;

■ Electricity power bureau & power company;

■ Power engineering commissioning company;

■ Electrical Department of industrial and mining enterprises;


Monday, November 25, 2024

LZCK-36 IP67 Outdoor Waterproof Split Core Current Transformer

The model LZCK-36 outdoor split core current Transformer are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. And the Transformer is compatible with Distribution Transformer Monitor and provides high quality power parameter quality signal for the monitor to control, measure and monitor the energy quality and so on in grid system. The LZCK-36 split core current transformer applies to the outdoor electric power system with frequency 50Hz or 60Hz, its ingress protection is IP67. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is high accuracy, fire-proof, ultraviolet-proof and explosion-proof, maintenance-free, stable and reliable performance, easy installation, etc.






Thursday, November 21, 2024

LZCK-80 HIGH ACCURACY IP67 OUTDOOR WATERPROOF SPLIT CORE CURRENT TRANSFORMER

Characteristics and Application of LZCK-80 outdoor split core Current Transformer:The LZCK-80 is a 80mm diameter ring type current transformer, can be used as a common generation of ordinary power transformers, achieving fast loading and unloading without power outage or wire dismantling. It is very easy to operate, has a wide range of primary current from 100A to 1600A and the secondary current is 1A or 5A.Most important,we using our advanced technology, enables 0.5s accuray of the current transformrer.Our unique waterproof design makes it meet IP67 standard very easy.We used 6 screws for fastening the transformer,make it can keep working 15 years within good accuracy. This current transformer very suitable for outdoor energy collection and power transformer monitoring. We have a alot of famous partener using our current transformer, like ENEL,MEA,PEA,EPM... 




Sunday, November 17, 2024

T-3630E DOUBLE CLAMP ADVANCED MULTIFUNCTION EARTH GROUND RESISTANCE TESTER

T-3630E double clamp advanced multifunction earth ground resistance tester specially design for the measurement of earth resistance, soil resistivity, earth voltage, leakage current of grounding line, AC current, DC resistance. Adopting the latest digital technology, precise 4-pole, 3-pole and simple 2-pole method, selection method, double clamp method to measure grounding resistance, for earth resistance measurement; large caliber clamp design, used to measure the grounding system which adopt large-scale down conductor; can flexibly and precisely measure the value of grounding resistance in every complicated situation like single point grounding, grounding mesh. T-3630E earth resistance tester is not need to disconnect any parallel connection pole when measuring parallel-grounding, and massively improve the convenience when measuring. Importing FFT and AFC technology, with a unique function of anti-interference capability and the ability to adapt to the environment, consistency of repeat testing, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth resistance, soil resistivity, earth voltage, AC voltage measurement.