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TK4830 Portable Tester for AC DC EV Chargers

TK4830 is an AC and DC integrated charging station calibration device. The accuracy level of AC and DC power measurement of the device reaches Class 0.05. It can complete the working error and clock time error test of AC and DC charging stations.

The device supports European standard CCS2 DC charging interface, European standard Mennekes (Type2) AC charging interface and Japanese standard CHAdeMO DC charging interface. The device can use new energy vehicles as loads or use resistive loads to test. The equipment combines wide dynamic range measurement technology, ms-level high-speed refresh of electric energy and other technologies to achieve accurate measurement of accumulated electric energy throughout the charging process. Compared with the traditional steady-state measurement of preset calibration points, it more truly reflects the performance of charging station.
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TK4830 Portable Tester for AC DC EV Chargers


TK4830 Portable Tester for AC DC EV Chargers tunkia

1. Summary

TK4830 is an AC and DC integrated charging station calibration device. The accuracy level of AC and DC power measurement of the device reaches Class 0.05. It can complete the working error and clock time error test of AC and DC charging stations.

The device supports European standard CCS2 DC charging interface, European standard Mennekes (Type2) AC charging interface and Japanese standard CHAdeMO DC charging interface. The device can use new energy vehicles as loads or use resistive loads to test. The equipment combines wide dynamic range measurement technology, ms-level high-speed refresh of electric energy and other technologies to achieve accurate measurement of accumulated electric energy throughout the charging process. Compared with the traditional steady-state measurement of preset calibration points, it more truly reflects the performance of charging station.


2. Reference Standards

IEC 62196-2

IEC 62196-3

CHAdeMO

JJG 1148–2022 Calibration Regulations for AC chargers for Electric Vehicles

JJG 1149–2022 Calibration Regulations for Off-board Chargers for Electric Vehicles


3. Charging Interfaces


TK4830 Portable Tester for AC DC EV Chargers tunkia

TK4830 Portable Tester for AC DC EV Chargers tunkia

TK4830 Portable Tester for AC DC EV Chargers tunkia

European Standard

CCS2

European Standard  Mennekes(Type2)

Japanese Standard

CHAdeMO


4. Instrument Appearance

TK4830 Portable Tester for AC DC EV Chargers tunkia


5. Features

• DC Measurement: DC voltage 100~1000V, DC current 1A~250A, DC power/electric energy class 0.05.

• AC Measurement: three-phase voltage 200V~480V, current 1A~72A, AC power/electric energy class 0.05.

• Supports Multiple Loads: new energy vehicles can be used as loads to measure the accumulated electric energy throughout the charging process, and traditional resistive loads can also be used for testing.

• Flexible Load Matching: DC load 20 kW, 60 kW optional, AC load single-phase 9 kW, three-phase 45 kW optional, and the load power can be switched by program control.

• Load Cascading: DC loads can be cascaded, up to four 60 kW loads can be cascaded, with a maximum power of 240 kW.

• Wide Dynamic Range Measurement: Avoid measurement risks caused by load fluctuations during the dynamic metering process of electric vehicle charging.

• Ms-Level Power Refresh Speed: Reduce errors introduced by charging station and standard instruments in the process of asynchronous accumulation of power, and improve the measurement accuracy of accumulated power.

• Error Calculation: Supports pulse method and accumulated electric energy method for working error verification.

• Clock: Real-time clock display to complete the clock time error test of the charging pile.

• Temperature Probe: Equipped with a wired temperature probe, which can complete on-site temperature measurement.

• Automated Operation: It can be operated through the device's LCD screen for automated testing, or it can be operated and tested through another tablet.

• Traceable Calibration: with dedicated calibration terminals to facilitate instrument calibration.

• Three Power Supply Modes: Charging gun head takes power, built-in lithium battery power supply and mains power supply. When used on site, the charging gun head can be used to draw power, without the need to connect to the mains separately. The lithium battery is removable for easy air transport.


6. Verification Ability

• Working Error: The working error test can be completed in real time during the charging process through the pulse method or the accumulated electric energy method. It supports two methods of testing using new energy vehicles as loads or programmable resistive loads.

TK4830 Portable Tester for AC DC EV Chargers tunkia

Test Method 1: Test with new energy vehicles as load

TK4830 Portable Tester for AC DC EV Chargers tunkia

Test Method 2: Test with programmable resistive load as load

• Clock verification: It has time verification function, real-time clock display, and clock time error test of the charger.


7. Specifications


DC Measurement Function

DC Voltage

Measuring Range

200 V~1000 V

Measurement Uncertainty (k=2)

0.025%*RD

DC Current

Measuring Range

1 A~250 A

Measurement Uncertainty(k=2)

5 A ≤ I ≤ 250 A

0.025%*RD

1 A ≤ I<5 A 0.05%*RD

Power/Energy

Measurement Uncertainty(k=2)

5 A ≤ I ≤ 250 A

0.05%*RD

1 A ≤ I<5 A 0.1%*RD

AC Measurement Function

AC Voltage

Measuring Range

three-phase 200V~480V

Measurement Uncertainty (k=2)

0.025%*RD

AC Current

Measuring Range

three-phase 0.1 A~80 A

Measurement Uncertainty(k=2)

0.025%*RD

Power/Energy

Measurement Uncertainty(k=2)

0.05%*RD

Clock Function

Clock

Timing mode

GPS Clock timing
Time error

≤1s

Temperature Function

Temperature

Measurement Range

-30℃~60℃

Maximum Permissible Error

0.5℃

General Specifications

Power Supply Mode

(1)Utility power: support 85V~265V,47Hz~63Hz

(2)Charging gun head takes power

  (3)Removable built-in lithium battery

Communication Interface

USB、LAN、Bluetooth or WiFi

Temperature Performance

Operating temperature: -25°C~55°C;

Storage temperature: -30°C~70°C

Humidity Performance

Operating humidity: < 80% @ 30°C, < 70% @ 40°C < 40% @ 50°C

Storage humidity: <80%  R·H, non-condensing


8. Optional Accessories List

S/N

Pic

Name

Specifications

Note

1

TK4730-20kW Adjustable DC Resistance Load

TK4730-20kW

Adjustable DC Resistance Load

Rated power: 20 kW @750V / 500V

Voltage 0~750 V, Current 0~40 A

Not cascadable

Dimensions: 490 mm (width) x 200 mm (depth) x 453 mm (height)

Weight: about 22kg

Optional

2

TK4710 Adjustable DC Resistance Load

TK4710-60kW-1000V

Adjustable DC Resistance Load

Rated power: 60 kW @1000V/750V/500V

Voltage 0~1000 V,Current 0~120 A

Can be cascaded, supports up to 4 load cascades, maximum power 240kW

Dimensions: 610 mm (width) x 550 mm (depth) x 435 mm (height)

Weight: about 66 kg

Optional

3

TK4720 Adjustable AC Resistance Load

TK4720-9kW

Adjustable AC Resistance Load

Rated power: single-phase 9 kW

Voltage 0~264 V,Current 0~39.5 A

Dimensions: 400mm (width) x 405mm(depth) x 345mm(height)

Weight: about 20kg

Optional

4

TK4720 Adjustable AC Resistance Load

TK4720-45kW

Adjustable AC Resistance Load

Rated power: three-phase 45 kW

Voltage 0~264 V, Current 0~75 A

Dimensions: 550mm(width) x 420mm(depth) x 590mm(height)

Weight: about 54kg

Optional



Our Advantage: EV Chargers Tester


The Benefit of Adjustable Resistance Load


Tunkia EV Chargers Tester have two components in place, the portable tester and the adjustable resistance load. Tunkia EV Charger Tester solution chosen to use an adjustable resistance load instead of using an EV car as a load mainly due to 3 major considerations:


1. Adjustable resistance load is capable to support different EV Charger Capability & Compatibility


a. Different EV chargers have different charging capability, TUNKIA adjustable loads can set different ranges of testing points that can get a complete metrology characteristic testing.

b. EV Charger charging capability varies between each charger, there are charger with high power rating and low  power rating. By using an adjustable resistance load, Tunkia solution are capable to handle almost all EV Charger in the market. Tunkia adjustable resistance load have DC loads, AC loads, and AC+DC Load combined, depending on the customer preference. For TUNKIA AC resistance load, both single phase and three phase are available. Whereas TUNKIA DC resistance load is supporting cascading capability with a maximum 180kw rating.

c. There is protocol between EV Charger and EV Car. EV car may only recognize the limited model of chargers, there is a tendency of failing to connect. Thus, by using Tunkia adjustable resistance load, we may omit these challenges.


2. Adjustable resistance load is capable to solving the problem of EV Battery fully Charged condition.


a. Imagining using an EV car to serve as a resistance load, when the EV Car is in a fully charged condition, the calibration testing needed to be stop. As the EV Car is no longer be able to serve as a resistance load any more.


3. Adjustable resistance load is able to supporting multiple EV Charging Standards


a. There are multiple connecting heads are available currently in the market, like CCS2, ChadeMO, IEC Type 1, IEC Type 2, GB/T, etc. Thus, if an EV Car serve as a resistance load for the calibration of an EV Charger, multiple type of EVs shall be prepared for this application. Instead, if it been replaced with an adjustable resistance load, we can utilize the adapter to cater to this application.


TK4830 Portable Tester for AC DC EV Chargers tunkia TK4830 Portable Tester for AC DC EV Chargers tunkia



The Support of Temperature Measurement.


During our metrology characteristic test process, temperature measurement is essential. The specification of the EV Charger varies between different surrounding temperature. This has been in line with the China Metrology Verification Standard (JJG1149-2018). The specification tolerance of the EV charger needed to be compensated at different temperature point. TUNKIA Portable EV Tester have embedded the temperature and humidity measurement function in the unit. With these built in features, the temperature and humidity measurement can be sync automatically. This feature can reduce the number of equipment bring on to the site for the calibration purposes.




The Support of GPS Clock Calibration


Different country has different payment scheme for the usage of electricity. Some country would like to encourage people to use more electricity at night thus, the charges at night time may be cheaper. With this condition in place, the time clock present in the EV Charger is playing an important role. As the charges of electricity are different base on different time zone thus, the EV Charger clock has to be calibrated. With such challenges in place, Tunkia portable EV testers have embedded the GPS clock function as standard. With this GPS Clock in place, it would enable the calibration of the time clock. With this, we can ensure the EV Charger time clock are always showing the correct time.




The Support of Tester Traceability


The Tunkia EV testers been pack with all function that use as the master calibrator to calibrate the EV Charger. Meanwhile this Tunkia EV Tester is required to be regularly calibrated against higher standard in order to maintain the traceability. Thus, Tunkia EV Tester have allocate a dedicated calibration interfaces and a calibration adapter on the tester for our client to make it traceable to the higher standard.

TK4830 Portable Tester for AC DC EV Chargers tunkiaTK4830 Portable Tester for AC DC EV Chargers tunkia




The Support of Safety Inspection


There is a safety test feature available in the TUNKIA EV tester. One of the safety requirements of the EV Charger is that the charger should stop within a certain time frame when the stop button is hit. By using a manual method, as stop watch is being used to test this feature, however it would not be as accurate. With additional termination time testing capability on the TUNKIA EV Tester, user can have accurately captured the termination time automatically, without using additional tool and without any human error in place.




The Support of Monitoring of Real Time Waveform


TUNKIA EV tester unit does support the real time waveform acquisition measurement. Meanwhile TUNKIA EV tester present of the extra auxiliary connection nearby the charging port. If customer would like to troubleshoot any connection error and externally monitoring the waveform of the 3-phase connection, customer can utilize the Auxiliary test point to transfer the AC charging socket to a conventional instrument.




The Automatic Reporting of Testing Results


TUNKIA EV Tester automatic reporting features is available, the file format is word file, where it provides flexibility to our client to made some amendment based on their own requirement. This feature is customizable according to client requirement.




The Support of Remote Control


Remote control the TUNKIA EV Tester with a PC is available, considering the calibration work on the EV Charger under the hot environment, TUNKIA EV Tester can be control remotely.



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