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TD1320 Field Tester of DC Charger for Electric Vehicles

专用于电动汽车直流充电机工作误差、充电量显示误差、付费金额误差、始终示值误差等检定

可进行电能计量特性检测、传导充电互操作性测试、通讯协议一致性等试验


功率 / 电能准确度为 0。02 级 / 0。05 级 / 0。1 级可选

直流电压测量最大达 1150 V,电流测量最大达 300 A ( 480 A 可选 )

检测 1 kHz 以下交流纹波


Overview

TD1320 is a portable instrument specially designed for on-site detection of DC charger. Its DC voltage measurement is up to 1150 V, DC current measurement is up to 300 A (480 A optional), and DC power/electrical energy accuracy class is 0.02/0.05/0.1 optional. The instrument is suitable for on-site detection, conductive charging interoperability test and communication protocol conformance test of DC charger for metrology institute, electric power department and manufacturer.  

Reference Standard

● GB/T 18487.1-2015 Electric vehicle conductive charging system—Part 1:General requirements

● GB/T 20234.1-2015 Connection set for conductive charging electric vehicles—Part 1:General requirements

● GB/T 20234.3-2015 Connection set for conductive charging electric vehicles—Part 3:DC charging coupler

● GB/T 27930-2015 Communication protocols between off-board conductive charger and battery management system for electric vehicle

● GB/T 34657.1-2017 Interoperability test specifications of electric vehicle conductive charging—Part 1:Supply equipment

● GB/T 34658-2017 Conformance test for communication protocols between off-board conductive charger and battery managements system for electric vehicle

● GB/T 29318-2012 Electric energy metering for electric vehicle off-board charger

● JJG 1149–2018 Verification Regulation of Off-board Charger for Electric Vehicles

Functions

● Ripple Measurement: It can detect AC ripple below 1 kHz with wide dynamic range

● Waveform Display: Real-time curve display and record of U (t), I (t), P (t), E (t).

● Environmental Temperature Measurement: The temperature sensor is equipped to measure the site environmental temperature to correct the working error.

● Clock Verification: Built in GPS clock module, it can display real-time clock and synchronize with Beijing time.

 Built-in Vehicle Control and Guidance Circuit: It can complete the interoperability test of off-board charger, the adjustment range of R4 resistance simulation module is 400Ω~ 5000Ω, the step value of which is 1Ω. Each contact is provided with on-off switch, which can realize the simulation of the contact state.

 Insulation Resistance Simulation: It can simulate the insulation state of charger. The input voltage range is 0V ~ 1000V, and the resistance adjustment range is 10 kΩ ~ 610 kΩ with the step of 5 kΩ, which is used to simulate the insulation fault of positive and negative poles.

Features

● The broadband AC/DC current comparator technology is adopted, which is less affected by the thermal potential and has higher accuracy than the shunt.

● Large current can be measured without wiring, and a single connection can automatically complete the preset test items.

● There are no mechanical contacts such as switches and relays in the current loop. It is not damaged for 5 seconds under overload of double rated current is with reliability is high.

● The current measurement loop achieves high isolation between the voltage circuit and the power supply, which can guarantee higher safety.

● The instrument can be calibrated with special calibration terminal.

● High-definition LCD touch screen is adopted, which has intuitive interface, convenient operation and is visible in sunlight.

● The instrument is equipped with CAN-BUS, RS232, RS485, USB, WLAN, WIFI interface and host computer software to facilitate the establishment of automatic test system.

● Portable instrument box with high level of anti-seismic and electrical protection is equipped, which is very convenient to carry to the scene.

Test Items

● Calibration of Charging Energy Metering Characteristics: Working error, charging amount display error, payment amount error, clock indication error, etc.

 Conductive Charging Interoperability Test: Connection confirmation test, Self-Detection phase test, charging readiness test, charging phase test, normal charging end test, charging connection control sequence test, communication interruption test, switch S disconnection test, vehicle interface disconnection test, output voltage exceeding vehicle allowable value test, insulation fault test, other charging faults, output voltage control error test, output current control error test, output current control time test, output current stop rate test, control guidance voltage test, etc.

● Communication protocol conformance test.

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Connection Diagram of Charger On-site Detection

Technical Specifications

DC Voltage

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Measurement Characteristic:

● Range SwitchingAutomatic or Manual

● Measurement Range30 V~1150 V

 Minimum Resolution: 0.1 mV ( Range of 300 V),

● Display: 7 digits

● Accuracy of ripple measurement: ± 0.05%*RG, 

● Bandwidth: ≤ 1 kHz

DC Current

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Measurement Characteristic:

● Range SwitchingAutomatic or Manual

● Measurement Range: 0.5 A~300 A or 480A

● Minimum Resolution: 1 μA ( Range of 5 A),

● Display: 7 digits

● Accuracy of ripple measurement± 0.05%*RG

● Bandwidth≤ 1 kHz

DC Electrical Energy / Power

● Measuring Range: Combination of DC voltage range and DC current range

● Accuracy: Addition of DC voltage and DC current

● Output of standard electrical energy pulse: The maximum frequency is 60 kHz

   Active and passive pulse is supported, and the load capacity is greater than 20 mA

   Input of standard electrical energy pulse: The maximum frequency is 100 kHz with the amplitude of 5V

● Electrical Energy Measurement Error: 7 digit decimal display

● Clock Accuracy± 0.1 ppm

General Specifications

● Line Power: AC ( 198 V~253 V ),( 50 ± 2 ) Hz;

● Maximum Power Consumption: 80 VA

● Operating Environment: -30 ℃~55 ℃,20%~80% R·H,non-condensing

 Storage Environment-30 ℃~70 ℃,< 80% R·H,non-condensing

 Dimensions(Width*Depth*Height): 560 mm × 460 mm × 260 mm

● Weight: 28 kg

● Standard Interfaces: CAN-BUS、RS232、RS485、USB、WLAN、WIFI

Related Products

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Selection Guidance

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