The Skonda portable DC charging pile testing and metering comprehensive instrument PEV7002 has the functions of interoperability specification testing, communication protocol consistency testing, and metering verification testing specified by national standards. Mainly used for performance testing, communication protocol testing, and metrological verification of newly installed DC charging piles, repaired charging piles, and upgraded charging piles. The comprehensive instrument has the characteristics of high accuracy, small size, light weight, and easy portability, which can meet the measurement and performance testing needs of various occasions such as laboratories and on-site. The comprehensive instrument has a measuring module that meets the metrological verification regulations of JJG 1149-2018 Electric Vehicle Off Board Charging Machine, and software functional modules that meet the testing requirements of GB/T 34657.1-2017 Electric Vehicle Conductive Charging Interoperability Test Specification Part 1 Power Supply Equipment. The software functional module implements the testing requirements for the "GB/T 34658-2017 Communication Protocol Consistency Test between Off board Conductive Chargers and Battery Management Systems for Electric Vehicles" test project. Built in simulation vehicle BMS software, the software complies with the protocol standard GB/T 27930-2015 Communication Protocol between Off Board Conductive Chargers and Battery Management Systems for Electric Vehicles and is compatible with the requirements specified in GB/T 27930-2011 version. Equipped with two 250A charging gun holders and complying with the requirements of "GB/T 20234.3-2015 Connection Devices for Conductive Charging of Electric Vehicles Part 3: DC Charging Interface".

Features:

Having pile end signal voltage, current, CC1，CAN， Auxiliary power supply, abnormal synchronization signal and other output terminals can be connected to other testing instruments for testing and inspection of pile end signals

When measuring, the load is allowed to be connected to the actual vehicle or any simulated load

It has the function of detecting environmental temperature, calculating the error caused by temperature based on the actual working scene temperature, and determining the measurement results.

Equipped with GPS timing function, it can perform Beijing time timing error testing on the charger.

Equipped with a charging timing test interface, it can be connected to the front-end voltage of K1K2 relay, gun feedback S signal, and emergency stop pile end signal

The comprehensive instrument has a 16 channel timing synchronization measurement function, which can meet the timing testing related to interoperability testing. Specifically T1，T2，T3，T4，T4->T5，T6，T9，T10，T6->T10，T11，T12，T13，T11->T13，T14，T15，T16，T17，T19 Wait.

Control the pilot voltage limit test project, and ensure that the control pilot circuit complies with the principles specified in GB/T 18487.1-2015 Electric Vehicle Conductive Charging System Part 1: General Requirements. It has built-in K5 and K6 switch state simulation functions, built-in R4 resistor simulation module, and a resistance adjustment range of 400 Ω to 5000 Ω with a step size of 1 Ω.

Insulation reverse connection module: It can meet the insulation and reverse connection testing of chargers, with a test voltage range of 0 V to 1000 V, an insulation resistance adjustment range of 10 k Ω to 610 k Ω, and a step size of 5 k Ω.

It has the function of measuring the voltage, current, auxiliary power supply voltage, and CC1 voltage of DC charging stations.

Internally integrated battery voltage simulator with a voltage range of 0-1000V, used for testing the timing process of charging pile startup.

Can export BMS communication messages in EXCEL format with message parsing comments.

Built in national standard testing projects, automated program testing and report generation to facilitate changes and upgrades to national standard items.

It has the function of generating test report templates, and generates test report formats according to the client's layout format. The report formats can be TXT, EXECL, XLC, WORD.

Test project submodule, network data interface, supporting cross platform calling.

The testing module of the software platform has structured input and output standard data, which is easy to parse and call.

Equipped with a 10 inch high-definition LCD touch screen, it is convenient for users to touch and operate.

2.1. Basic functional items

2.1.1. BMS simulator

2.1.2. Interoperability specification testing

It can meet all the testing items specified in the national standard GB/T 34657.1-2017 Test Specification for Interoperability of Conductive Charging of Electric Vehicles Part 1 Power Supply Equipment, as shown in the following table:

*The testing project requires an external load module PDCR-750-30 for automatic control.

2.1.3. Measurement of DC charging stations

Can meet all test items specified in the national standard GB/T 34658-2017 Communication Protocol Consistency Test between Off board Conductive Chargers and Battery Management Systems for Electric Vehicles; It can meet the metrological verification regulations of JJG 1149-2018 Electric Vehicle Off board Charging Machine, as shown in the following table:

*The insulation resistance test requires additional high-voltage equipment to be configured, and the test data is manually input.

2.1.4. Protocol Consistency Testing

All test items specified in the national standard GB/T 34658-2017 "Communication Protocol Consistency Test between Off board Conductive Chargers and Battery Management Systems for Electric Vehicles" can be met, as shown in the following table:

2.2. Technical specifications and parameters

2.2.1. Measurement specifications

2.2.2. Measurement parameters

2.2.3. System Parameters