The GF302D1 three phase portable energy meter test equipment consists of an integrated three phase current source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The equipment offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7" touch LCD-display. Voltage & current harmonics output from 2 to 63 times. This model portable meter test equipment can be programmable by PC, automatic generation of energy meter error test report.
The GF302D portable meter test equipment is used for grid corporation of measurement and energy test center, management department of power supply bureau, national energy measurement of testing authorities, and also used to test each kind of single/three phase kWh meter of industries and mining enterprises as well as electric meter manufacturers. Meanwhile, the meter test equipment also can be used as one high precision standard power source, voltage source and current source. Portable design, used in the laboratory or on site to auto check energy meter error.
Guangzhou Qiandi Electronics Co., Ltd., wholesale, retail, on-demand custom processing 12-24V DC: brushless, brushed DC motor products, you are welcome to contact us.
Note:
1. This product JGB37-545 Brushed DC Motor is not a stock product. The product page attributes, inner page details, and delivery time description are for reference only.
1.1 12-24V DC 28-48W - Model:JGB37-545 size: �?37-x L85 mm; Net weight: 280g.
1.2 Structure and working principle: Brushed
1.3 MOQ: 550 unints
2. Before proofing and placing an order, you need to get confirmation with the seller before you can take it. Production cycle: 15-25 days.
Other specifications of DC motor products can be customized and supplied as required.
Introduction to DC Motor Application
DC gear motors are widely used in smart cars, automation equipment, automatic doors and windows, vending machines, smart homes, office equipment, automatic barbecue grills, automatic drying racks, mahjong machines, medical equipment, parking locks, game consoles, etc.
DC gear motors are widely used in smart cars, automation equipment, automatic doors and windows, vending machines, smart homes, office equipment, automatic barbecue grills, automatic drying racks, mahjong machines, medical equipment, parking locks, game consoles, etc.
1. medical instruments
2. Crane machine
2. Automatic Mahjong Table
3. Smart drying rack
4. vending machine
5. Industrial machine
6. Automatic grill Automatic grill
7. Billboard billboard
This test bench can be widely used in measurement centers of start grid, management and electric energy measuring departments of power supply companies, national measurement laboratories, as well as large industrial and mining enterprises and electric meter manufacturers.
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HS-3303M is a three-phase electric energy meter inspection device designed based on the requirements of the IR46 metering part, which meets the harmonic requirements of the IR46 electric energy meter. It can output square wave, peak wave, current multiple zero-crossing wave, higher harmonics, odd harmonics, sub-harmonics, custom harmonics, etc.
This device is equipped with 3 epitopes and has a small structure, which is suitable for product research and development, model selection, random inspection, etc.
For more product details,please see Energy Meter Test Bench this page :
The 5 blades horizontal axis wind turbine has a smart blade aerodynamics braking and electromagnetic speed limitation function. Patented aerofoil 5 blades design with true symmetrical and twisted aerodynamic feature which ensures rotor capture maximum power from wind and operates in amazingly low noise and minimal vibration. True symmetrical and balanced aerofoil blade ensure rotor matching with generator perfectly. Large ratio of tip section chord to root section chord and variable chord airfoil blade ensures rotor start-up easily and running smoothly with high torque and RPM at lower wind condition. Aerodynamic blades designed with over-speed braking system to make sure generator well protected in higher wind. Reinforced Glass-Fiber Nylon is using advanced thermoplastic engineering and precision injection molding technology for higher strength, flexibility and reliability. Our wind turbine with minimal vibration and low noise could be mounted on rooftop safely and its operation wonâ??t affect resident.
ANEVT(F) series high-precision bidirectional DC power supply adopts high-frequency PWM rectification and bidirectional DCDC conversion, FPGA digital control, seamless switching between forward and reverse, automatic bidirectional operation, energy feedback to the grid at full power; advanced digital control, ultra-high control accuracy, fast response, wide output voltage range; compared with conventional bidirectional power supply, it can achieve full range of high-precision output from 0V to full scale, up to 2000V, and the maximum power of a single machine can reach 1MW; abundant programming and testing functions, suitable for a variety of applications with different upper computer software.
Applications:
Testing of electric vehicle motors and controllers
Testing of electric vehicle transmission system and powertrain system
Testing of special electric vehicle motors, controllers, electric vehicle transmission systems, and powertrain systems
Testing of fuel cell
Testing of new energy motor system
Testing of ship electric drive, electric drive system
Testing of charger and charging pile
Testing of battery pack charge/discharge
Testing of capacitor and super capacitor charge/discharge
Testing of energy storage system converter
Testing of UPS and EPS system
Testing of hybrid
Simulated battery to replace real battery-powered test applications
Power supply for high-power DC test
ANEVT(F) series dual-channel bidirectional DC power supply adopts high-frequency PWM rectification and bidirectional DCDC conversion, FPGA digital control, seamless switching between forward and reverse, automatic bidirectional operation, energy feedback to the grid at full power; advanced digital control, ultra-high control accuracy, fast response; two channels independently configured and not affect each other, which can be used in parallel to expand the DC output capacity and reduce investment by customer; abundant programming and testing functions, suitable for a variety of applications with different upper computer software.
Features:
Independent channel configuration: each channel is independently programmed, voltage, current and power parameters are set independently, and the operating parameters in programming mode are set independently. The channels are independent of each other and do not affect each other.
Parallel channels: The two channels do not affect each other, and can be used in parallel.
Grid feedback: both power supply and load characteristics, achieving the function of load for automatic energy feedback to the grid in addition to high-power DC power supply performance; energy saving, green and environment protection.
High-precision output: accuracy of output voltage: �±0.05% F.S.
Fast dynamic response: output voltage response time for 10%-90% sudden applied load and 90%-10% sudden shedding load: â?¤5ms; +90%~-90% forward/reverse switching time: â?¤10ms.
Mainstream high-frequency PWM rectification control, power factor â?¥0.99, THD and injected harmonic current meet the requirements of GB/T14549-93, high-quality energy feedback to the grid.
Advanced IGBT parallel technology, efficient and reliable.
CC, CV, CP modes.
Multi protection: input over-voltage/under-voltage, lack phase, output over voltage, IGBT overheat, IGBT over current, over temperature protection, short circuit current-limiting protection.
Built-in EMI filter to filter the interference signal caused by the high-frequency switching process.
Communication and remote control: standard CAN, RS232/RS485 port and remote control software of the upper computer.
Programmable slow-rise output.
Application:
Testing of electric vehicle motors and controllers
Testing of electric vehicle transmission system and powertrain system
Testing of special electric vehicle motors, controllers, electric vehicle transmission systems, and powertrain systems
Testing of fuel cell
Testing of new energy motor system
Testing of ship electric drive, electric drive system
Testing of charger and charging pile
Testing of battery pack charge/discharge
Testing of capacitor and super capacitor charge/discharge
Testing of energy storage system converter
Testing of UPS and EPS system
Testing of hybrid
Simulated battery to replace real battery-powered test applications
Power supply for high-power DC test
The ANEVH series is a programmable DC power supply that integrates DC power supply and feedback load, which can be used as a source and output power; or used as load to realize sink function, absorbing power and returning to the grid cleanly; standard dual-quadrant operation.
Built-in voltage curves for DIN40839, ISO-16750-2 and ISO21848 standard automotive grids.
Comprehensive OTP, OVP, OCP, OPP protection.
S terminal compensation
Application:
Micro-grid and micro-inverter testing
Automotive motor, controller and power battery testing
Fuel cell test, fuel cell DCDC test
UPS, on-board charger (OBC), charging spot, bidirectional DC-DC test
Industrial testing for electrolysis, electroplating, welding, etc.
Testing of communication power supply, LED product
Testing of automotive electronics, avionics
High power test, DC feedback load demand application
This AN8721PV3(F) series AC/DC power analyzer adopts STM32 controller as the core and supplemented by FPGA, using direct sampling and intelligent identification technology, widely used in electrical measurements of single-phase electrical equipment, such as voltage, current, power, power factor, frequency, electrical energy, time etc., wide range, 4-window LED highlight, simple operation, U disk read/write, serial communication, parameter alarm, voltage/current ratio settings and other functions, multi-purpose, accurate and durable.
Features:
AC/DC universal wide-range, DC ~ 4kHz bandwidth, load adaptability;
Reliable, stable, compact, light;
High measurement speed, up to 0.25s refresh rate;
Voltage/current ratio setting, easy expansion;
Voltage, current, power over-limit sound and light alarm, quick identification of abnormal products;
Standard RS-232 or RS-485 serial port, MODBUS communication, test automation;
Optional digital I/O, remote input and alarm signal output.
Applications:
Strict industrial site type test;
High temperature aging room test;
Home appliances, commercial appliances line standby power measurement;
Power tools test;
Lighting test.
AN87500(F) multi-channel power analyzer is specially designed for multi-channel AC/DC power measurement, suitable for power measurement of most electrical appliances, power supplies, motors, inverters and other products. The product takes the high-speed DSP processor as the core, adopts 16-bit high-speed high-performance AD direct sampling method for data acquisition, and can realize multi-channel simultaneous measurement, covering: voltage, current, power, peak voltage, peak current, power factor, crest factor, frequency, electric energy, current integral, efficiency, harmonic content and 3-phase electrical parameters, with serial communication (RS232/RS485, GPIB), remote control, alarm parameter preset and so on, supporting 1P2W/1P3W/3P3W/3V3A/3P4W and other wiring methods, meeting testing requirements of various power supply.
Features:
Multi-channel: 1~6 channels, flexible configuration of 1~6 single-phase, three-phase three-wire Ã?? 2, three-phase four-wire Ã?? 2, four-phase (DC+ three-phase three-wire) and other modes, satisfy test requirements of varies load (air conditioner, converter, inverter, motor);
High accuracy: high-speed DSP processor, 16-bit high-speed high-accuracy AD converter, accuracy up to 0.1%, 100ms display cycle;
Wide power range: current up to 50A for a single channel (optional 20A, 10A, 5A, 2A, 1A etc. or combination), minimum 0.lmW power resolution, satisfy test requirements of standby power consumption and rated power;
Broadband: AC/DC signals, power measurement bandwidth: DC, 0.5Hz~100kHz, satisfy power test requirements of varies standard and non-standard sine wave load;
Multi harmonic analysis: simultaneous 6-channel harmonic analysis, maximum 50th harmonic measurement, distortion analysis, visual display of total harmonic contents and total contents;
Multi frequency measurement: simultaneous 6-channel frequency measurement;
Line filtering: 500Hz/5.5kHz low-pass filter to measure the fundamental PWM waveform, filter out the high-frequency interference of the switching power supply current;
Sensor: variable ratio, common I-I/V-V voltage/current transformers; I-V type current sensor with BNC interface, maximum input voltage 10V, optional high current sensor;
Efficiency calculation: measure the input/output energy consumption of the equipment at the same time, and calculate its efficiency;
Accumulation of electric energy: positive electric energy, reverse electric energy and integrated electric energy can be separately accumulated to measure the trading electric energy;
Threshold alarm: independent 10 groups of voltage, current, power, power factor and other thresholds and measurement threshold for each channel, automatic upper/lower limit judgment and alarm;
Chinese/English interface: Chinese or English operation and time/date display.
This AN87310(F) series AC/DC power analyzer adopts STM32 controller as the core and supplemented by FPGA, using direct sampling and intelligent identification technology, widely used in electrical measurements of single-phase electrical equipment, such as voltage, current, power, power factor, frequency, electrical energy, time, harmonics etc., wide range, 4-window LED highlight, simple operation, U disk read/write, serial communication, parameter alarm, voltage/current ratio settings and other functions, multi-purpose, professional and reliable.
Features:
Universal wide-range design for AC/DC, DC~100kHz bandwidth, stronger load adaptability
Reliable, stable, compact, light
Fast measurement, refresh rate up to 0.1s
Standard RS-232 or RS-485 port, support MODBUS communication, automatic testing
Application:
Strict industrial site type test
High temperature aging room test
Power tool test
Lighting test
Standby power measurement of household appliances and commercial appliances lines
Current: 1mA~22A/5mA~55A, voltage: 0.15~1200V, rated power and standby power can be measured
Minimum power resolution: 0.1mW
50th harmonic and distortion analysis
The AN87330(F) series high-accuracy power analyzer adopts the latest FPGA+ARM digital processing system to achieve synchronous sampling, which fully meets the testing needs of three-phase equipment in the fields of motors, home appliances, new energy etc. on the market. It is specially designed for production links such as automated line and integrated system etc.
Features:
High performance, wide frequency band: accuracy up to 0.1%, the bandwidth is DC, 0.5Hz~100kHz, suitable for testing of non-sinusoidal wave load.
True differential synchronous conditioning sampling, guaranteeing super large direct test capability, voltage: 0.15~1000V, current: 5mA~50A/1mA~20A.
Optional motor torque and speed interface, suitable for testing of three-phase motor mechanical power and energy consumption.
Standard RS232, LAN port, standard MODBUS protocol, to meet the customization needs of multiple protocols, optional RS485, GPIB module.
Support three-phase interphase angle test.
Applications:
Dynamic test of brushless DC motor
FG signal RMS, peak-peak measurement, duty cycle calculation, wave data analysis.
Measurement of RMS and frequency of 3-phase back electromotive force.
Phase angle test
Power measurement of inverter motor and inverter
Power bandwidth DC, 0.5Hz~100kHz
Current: 0~20A/current sensor
Simultaneously measure input and output power
50th harmonic and distortion analysis
Testing of torque/speed of 3-phase motor
Support the latest type of motor test module, reserved motor sensor test interface, suitable for signal test of most motor sensor on the market, 3-phase motor efficiency test by single machine, synchronized signal, improved test accuracy.
The AN97H series frequency conversion power supply adopts digital technology and IGBT intelligent output, pure output wave, with excellent technical performance. The power supply has an anti-shock circuit, suitable for various shock loads such as motors and air conditioners; excellent dynamic characteristics, strong load adaptation, high efficiency, simple operation, cost-efficient, suitable for industries such as export electrical appliances plants, laboratories, defense.
Features:
Over shock capacity: impact load of 1/3 capacity of power supply directly without soft start.;
Adjustable voltage and frequency during output status;
Measurement: voltage, current, frequency, active power;
Level of voltage: 1.0~150.0V, 150.1~300.0V automatically adjusted or locked to 1.0~300.0V;
Line voltage drop compensation
Shortcuts groups, power-off memory, shortcuts key;
Lock key, user-friendly design to prevent mis-operation;
HD VFD display;
Standard RS232 port, optional RS485 port or remote control port.
The AN77 series intelligent variable frequency power supply adopts digital technology and IGBT intelligent output, pure output wave. The power supply can output constant current AC wave, which can be used for short circuit. It outputs constant large current under the condition of small voltage, which can be used for detection of low-voltage power distribution devices such as air circuit breakers, contactors, and transformers, design and production of transformers and inductance devices. It is an ideal tester for device manufacturers, quality inspection institutes, and certification centers for applications with high current test conditions and low energy waste caused by the consumption of the load.
Features:
Low-voltage, high-current AC output to meet the test requirements of relevant regulations;
Output frequency of 45~65Hz, suitable for the test requirements of different grids and devices;
Adjust current and frequency in output state;
Measurement: voltage, current, frequency, active power;
Power-off memory and shortcut keys;
Key lock, humanization design to prevent mis-operation;
Standard RS232 port, optional RS485 port or remote control port.
Custom of current source of any voltage level and current.
Applications:
Replace traditional voltage/current regulation, precise control, convenient operation
The ANFP series programmable AC power supply adopts FPGA digital control, instantaneous waveform control and high-frequency pulse width modulation (SPWM) technologies. It has the advantages of fast response speed, high output accuracy, and superior waveform quality; it can withstand 3 times the rating Current impact capability, strong load adaptability; with multiple output modes and complex programmable functions, which can achieve test requirements such as ladder, step, gradual change, etc.; with three-phase unbalanced output mode, to achieve relevant regulatory tests or simulate special power grids And so on. It can be widely used in laboratories, quality inspection units, scientific research institutes and certification centers.
Features:
1. Adopt FPGA digital technology, realize accuracy control and high quality sine wave output;
2.Advanced power management mode: three-phase standard mode, three-phase unbalanced mode (three-phase voltage can be adjusted independently, phase difference 0~359.9�° adjustable), three-phase independent mode (three-phase voltage, frequency, can be adjusted independently) Parallel single-phase mode (three-phase parallel, single-phase output);
3.Programmable step, stage, varations function, can realize relevant regulations;
4.Harmonic function,2-40 times superposition;
5.Operating in over current shock (up to 3 times of rated current)within 2s, start the impact load of 1/3 capacity of power supply directly;
6.Adjustable voltage and frequency during output status, frequency change without transit time;
7.Measurement: voltage, current, current peak, frequency, active power, apparent power, power factor, voltage peak factor;
8.Online monitoring: monitor IGBT temperature, transformer temperature, fan speed, input voltage and other parameters during output status;
9.Operating data recorders: keep the record of power supply status and alarm code automatically during alarming, save the maintenance time;
10.Fan speed will be adjustable automatically with the temperature of power supply to reduce the noise;
11.Lock key, user-friendly design, automatically locking without operation for 5 minutes to prevent from operation mistakes;
12. Combination cabinet, 8" large-screen color LCD;
13.Standard RS232, optional RS485, GPIB, Ethernet, analog control and other remote communication/control.
Application:
1. Output mode management (standard three-phase output, separated three-phase output, parallel single-phase output)
2. Over shock capacity: impact load of 1/3 capacity of power supply directly without soft start
The ANFS series AC power supply adopts FPGA digital control, instantaneous waveform control and high-frequency pulse width modulation (SPWM) technologies. It has the advantages of fast response speed, high output accuracy, and superior waveform quality; it can withstand 3 times the rated current impact , a variety of output modes, which can achieve "one machine with multiple functions" to meet the needs of customers for flexible use; it adopts 8-inch color LCD with exquisite and high-grade appearance, and digital keys make the operation more convenient. Mainly used in applications such as home appliances, motors and production lines. It is one solution that meets the basic needs of traditional industries and a power supply alternative for equipment upgrades. It also provides laboratories, quality inspection units, scientific research institutes and other applications more flexible power configuration scheme.
Features:
1. Adopt FPGA digital technology, realize accuracy control and high quality sine wave output;
2.Advanced power output mode management: standard three-phase output, separated three-phase output (three-phase voltage and frequency adjusted independently), parallel single-phase output (three phase parallel, single-phase output) to achieve multi-function;
3.Operating in over current shock (up to 3 times of rated current)within 2s, start the impact load of 1/3 capacity of power supply directly;
4.Adjustable voltage and frequency during output status, frequency change without transit time;
5.Measurement: voltage, current, current peak, frequency, active power, apparent power, power factor, voltage peak factor;
6.Online monitoring: monitor IGBT temperature, transformer temperature, fan speed, input voltage and other parameters during output status;
7.Operating data recorders: keep the record of power supply status and alarm code automatically during alarming, save the maintenance time;
8.Fan speed will be adjustable automatically with the temperature of power supply to reduce the noise;
9.Lock key, user-friendly design, automatically locking without operation for 5 minutes to prevent from operation mistakes;
10. 8-inch large-screen color LCD display, digital key operation;
11.Standard RS232, optional RS485, GPIB, Ethernet, analog control and other remote communication/control.
Application:
1. Over shock capacity: impact load of 1/3 capacity of power supply directly without soft start.
2. Output mode management (standard three-phase output, separated three-phase output, parallel single-phase output)
3. Large-size color LCD, digital key input, knob operation
4. PC control software
This ANFH series AC power supply adopts digital technology and IGBT intelligent output with pure output waveform. The power supply has the ability to withstand impact of 3 times the rated current, featuring strong load adaptability, suitable for various impact loads such as motors and air conditioners, with good dynamic characteristics.
The power supply is designed suitable for 19 standard chassis, compact, and can be directly installed in a standard cabinet for various applications such as testing, system integration, production line, etc.; as well as 4.3 color LCD touch screen, convenient and intuitive, widely used in home appliance lines, labs, quality inspection institutes, certification centers etc.
Features:
19â?? standard chassis, compact, can be installed in standard cabinet
Withstand 3 times the rated current lasting for 2S, directly start impact load equivalent to 1/3 of the power
Adjustment of voltage/frequency in output state
Startup ramp-up and online ramp-up, and the ramp-up time can be set
Measurements: voltage, current, frequency, active power
Voltage level: 1.0~150.0V, 150.1~300.0V automatically adjustable or locked within 1.0~300.0V
Line voltage drop compensation
Multi shortcut groups, power-down memory and shortcut keys
4.3â?? color touch screen, convenient and intuitive
Key lock and humanized design to avoid misoperation
Operating data recorders: automatically record the power state when alarming and alarm code, etc
Standard RS232 port, optional RS485/GPIB/Ethernet port or analog control
Application:
1. Impact resistant: impact loads with 1/3 power can be directly started without soft start
2. Adjustment of voltage/frequency in output state
3. Start ramp up and online ramp up
4. 4.3 color touch screen, convenient and intuitive
The AN50(F) low-power series DC power supply adopts high-frequency PWM control and phase-shifted full-bridge conversion, fast dynamic response, strong overcurrent capability, low output ripple, featuring compact, light, quiet, high efficiency, simple operation and cost-effective. It can be used for manufacturing, testing and maintenance of electronic equipment such as motors, power tools, automotive electronics, switching coils and DC switches, aircraft and airborne equipment, radar, navigation, etc., as well as industrial and mining enterprises, colleges and universities laboratories, research institute, etc.
Features:
350mm deep full range of standard chassis, suitable for system integration and portable applications.
High frequency PWM and full-bridge conversion technology, with high efficiency.
Strong current/power overload capacity, up to 110%.
Exceptional output stability.
Voltage drop compensation terminal for large current output.
Complete protection to ensure normal operation of power supply unit and load security.
LED segment display. Clear, convenient for operation.
Serial/parallel output, convenient expansion.
Powerful programmable features to meet various testing needs.
Supports SCPI/MODBUS-RTU standard protocol.
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