GB/T 43191-2023 PDF in English
GB/T 43191-2023 (GB/T43191-2023, GBT 43191-2023, GBT43191-2023)
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On-site testing instruments of AC charging spot for electric vehicles
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GB/T 43191-2023: PDF in English (GBT 43191-2023) GB/T 43191-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 17.220.20
CCS N 29
On-site testing instruments of AC charging spot for electric
vehicles
ISSUED ON: SEPTEMBER 07, 2023
IMPLEMENTED ON: APRIL 01, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 4
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Technical requirements ... 8
4.1 Working environment conditions ... 8
4.2 Mechanical properties ... 8
4.3 Electrical performance ... 9
4.4 Electromagnetic compatibility ... 10
4.5 Measurement performance ... 10
4.6 Interface requirements ... 15
5 Test methods ... 16
5.1 Environmental performance ... 16
5.2 Mechanical properties ... 17
5.3 Electrical performance ... 19
5.4 Electromagnetic compatibility ... 20
5.5 Measurement performance ... 20
5.6 Interface performance ... 27
6 Inspection rules ... 29
6.1 Inspection classification ... 29
6.2 Type inspection ... 30
6.3 Exit-factory inspection ... 31
6.4 Full inspection and acceptance test ... 31
7 Marking, packaging, transportation and storage ... 31
7.1 Marking ... 31
7.2 Packaging ... 31
7.3 Transportation ... 32
7.4 Storage ... 32
Appendix A (Informative) Principle block diagram of testing instrument ... 33
Appendix B (Informative) Communication protocol between testing instrument and
load ... 34
B.1 Overview ... 34
B.2 Physical layer ... 34
B.3 Link layer ... 34
B.4 Application layer ... 35
B.5 Communication protocol flow ... 42
Appendix C (Informative) Test connection diagram ... 44
On-site testing instruments of AC charging spot for electric
vehicles
1 Scope
This document defines the terms and definitions of on-site testing instruments of AC
charging spot for electric vehicles, stipulates the technical requirements for mechanical
properties, electrical properties, electromagnetic compatibility, measurement
performance, interfaces, etc., describes the corresponding test methods, inspection rules,
and specifies aspects such as marking, packaging, transportation and storage.
This document applies to the design, manufacturing, procurement and acceptance of
on-site testing instruments of AC charging spot for electric vehicles.
2 Normative references
The following documents are referred to in the text in such a way that some or all of
their content constitutes requirements of this document. For dated references, only the
version corresponding to that date is applicable to this document; for undated references,
the latest version (including all amendments) is applicable to this document.
GB/T 2423.1-2008, Environmental testing for electric and electronic products - Part
2: Test methods - Tests A: Cold
GB/T 2423.2-2008, Environmental testing for electric and electronic products - Part
2: Test methods - Tests B: Dry heat
GB/T 2423.4-2008, Environmental testing for electric and electronic products - Part
2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle)
GB/T 2423.5-2019, Environmental testing - Part 2: Test methods - Test Ea and
guidance: Shock
GB/T 2423.43-2008, Environmental testing for electric and electronic products -
Part 2: Test methods - Mounting of specimens for vibration impact and similar
dynamic tests
GB/T 2423.56-2018, Environmental testing - Part 2: Test methods - Test Fh:
Vibration, broadband random and guidance
GB/T 4208-2017, Degrees of protection provided by enclosure (IP code)
The enclosure of the testing instrument shall comply with the requirements for IP5X in
GB/T 4208-2017.
4.2.5 Earthing terminal
The testing instrument shall be provided with a protective earth terminal with an
obvious earthing mark, and a reliable electrical connection with the accessible metal
enclosure of the testing instrument. The resistance between the earthing terminal and
each connecting point shall not be greater than 0.1 Ω. The electric conductor of the
earthing terminal shall be made of copper and shall be anti-corrosion treated on the
surface. The thread diameter of the earthing terminal shall be no less than 6 mm.
4.2.6 Protection against mechanical hazards
4.2.6.1 Sharp edges
The enclosure of the testing instrument shall comply with the provisions of 7.2 in GB/T
17215.231-2021.
4.2.6.2 Transportation protection
The enclosure of the testing instrument shall comply with the provisions of 7.3 in GB/T
17215.231-2021.
4.3 Electrical performance
4.3.1 Power supply
The testing instrument shall at least meet the requirements of 4.5 when working under
the following AC power supply conditions:
a) Rated voltage: single-phase 220 V, allowable deviation: -20% ~ +15%;
b) Frequency: 50 Hz, allowable deviation ±1 Hz;
c) Waveform: sine, waveform distortion factor ≤5%.
For the testing instrument using built-in battery power, a fully charged built-in battery
shall be able to operate continuously for at least 4 hours.
4.3.2 Power consumption
When the auxiliary device of the testing instrument is not working, the power
consumption of the entire testing instrument shall not exceed 50 W.
4.3.3 Insulation resistance
When applying a DC voltage that complies with the requirements in Table 1 between
the non-electrically connected live circuits of the testing instrument and between each
4.6.4 Load communication interface
For testing instruments with load communication interfaces, the manufacturing unit
shall provide the communication protocol between the testing instrument and the load.
The communication protocol should be made by referring to Appendix B.
4.6.5 Auxiliary interface
The testing instrument should have charging connection confirmation (CC), control
pilot (CP) signal lead-out interface and AC power supply (L1, L2, L3, N) lead-out
interfaces. The corresponding signal ports between the lead-out interfaces and the
charging interface shall be reliably electrically connected, and the AC power outlet
interface shall be protected against accidental collision.
4.6.6 Corrosion and rust resistance
The corrosion and rust resistance of the testing instrument interface shall comply with
the provisions of Chapter 28 of GB/T 11918.1-2014.
4.6.7 Aging resistance of rubber and thermoplastic materials
The testing instrument shall comply with the provisions of Chapter 13 of GB/T 11918.1-
2014.
5 Test methods
5.1 Environmental performance
5.1.1 High temperature
Carry out the test according to the method specified in GB/T 2423.2-2008 and under
the following conditions:
a) The testing instrument is in non-working condition and unpackaged;
b) Test procedure Bb;
c) Test temperature: 55 °C;
d) Duration: 72 h.
After the test, select at least 50% of the upper limit of current measurement range of the
testing instrument and a load point with a power factor of 1, and measure the electric
energy error of the testing instrument in accordance with the provisions of 5.5.1 and
5.5.2.2.
5.1.2 Low temperature
Carry out the test according to the method specified in GB/T 2423.1-2008 and under
the following conditions:
a) The testing instrument is in non-working condition and unpackaged;
b) Test procedure Ab;
c) Test temperature: -25 °C;
d) Duration: 72 h.
After the test, select at least 50% of the upper limit of current measurement range of the
testing instrument and a load point with a power factor of 1, and measure the electric
energy error of the testing instrument in accordance with the provisions of 5.5.1 and
5.5.2.2.
5.1.3 Damp heat, cyclic
Carry out the test according to the method specified in GB/T 2423.4-2008 and under
the following conditions:
a) The testing instrument is in non-working condition and unpackaged;
b) High temperature: +55 °C;
c) Number of cycles: 2 times.
After the test, select at least 50% of the upper limit of current measurement range of the
testing instrument and a load point with a power factor of 1, and measure the electric
energy error of the testing instrument in accordance with the provisions of 5.5.1 and
5.5.2.2.
5.2 Mechanical properties
5.2.1 Impact
Carry out the test according to the provisions of GB/T 2423.5-2019, and under the
following conditions:
a) The testing instrument is in non-working condition and unpackaged;
b) Half sine pulse;
c) Peak acceleration: 30 g (300 m/s2);
d) Pulse duration: 18 ms.
After the test, select at least 50% of the upper limit of current measurement range of the
testing instrument and a load point with a power factor of 1, and measure the electric
5.2.6 Protection against mechanical hazards
5.2.6.1 Sharp edges
Carry out the test according to the provisions of 7.2 in GB/T 17215.231-2021.
5.2.6.2 Transportation protection
Carry out the test according to the provisions of 7.3 in GB/T 17215.231-2021.
5.3 Electrical performance
5.3.1 Power supply
Under the following AC power supply conditions, and other conditions according to the
reference conditions specified in Table 4, select at least 50% of the upper limit of current
measurement range of the testing instrument and a load point with a power factor of 1,
and measure the electric energy error of the testing instrument in accordance with the
provisions of 5.5.2.2:
a) 80% of the rated voltage specified in 4.3.1, frequency 49 Hz, waveform distortion
factor 5%;
b) 80% of the rated voltage specified in 4.3.1, frequency 51 Hz, waveform distortion
factor 5%;
c) 115% of the rated voltage specified in 4.3.1, frequency 49 Hz, waveform distortion
factor 5%;
d) 115% of the rated voltage specified in 4.3.1, frequency 51 Hz, waveform
distortion factor 5%.
For testing instruments with built-in batteries, after the testing instrument is fully
charged, measure whether its continuous working time meets the requirements of 4.3.1.
5.3.2 Power consumption
When the testing instrument works under the AC power supply conditions specified in
4.3.1, without auxiliary devices operating simultaneously, measure whether the input
power of the AC power supply of the testing instrument meets the requirements of 4.3.2.
5.3.3 Insulation resistance
Carry out the test according to the provisions of Chapter 11 in GB/T 18487.1-2015.
5.3.4 Dielectric strength
Carry out the test according to the provisions of Chapter 11 in GB/T 18487.1-2015.
Where:
S – estimated values of voltage, current and electric energy standard deviation;
Ei – basic error of the testing instrument during the ith measurement, %;
𝐸ത – arithmetic mean of Ei, i.e., 𝐸ത = (E1 + E2 + … + En)/n, %;
n – number of repeated measurements, n≥5.
The calculation results shall meet the requirements in Table 7.
5.5.4 Influence quantity
5.5.4.1 General test conditions
Only the single influence quantity should be tested, respectively. All influence
quantities other than the tested influence quantity shall be maintained at the reference
conditions specified in Table 4.
5.5.4.2 Change in ambient temperature
In any range not less than 15 K and not more than 23 K within the ambient temperature
range specified in 4.1, select at least 50% of the upper limit of the current measurement
range of the testing instrument and a load point with a power factor of 1, measure the
electric energy error of the testing instrument according to the provisions of 5.5.2.2,
calculate the average temperature coefficient of each interval and compare it with the
error change limit specified in Table 8.
5.5.4.3 Change in voltage
Under the conditions of the upper and lower limits of the working voltage range
specified in Table 3 respectively, select at least 50% of the upper limit of the current
measurement range of the testing instrument and a load point with a power factor of 1,
measure the electric energy error of the testing instrument according to the provisions
of 5.5.2.2, compare it with the measurement results under reference conditions, and
compare it with the error change limit specified in Table 8.
5.5.4.4 Change in frequency
Under the conditions of the upper and lower limits of the working voltage frequency
range specified in Table 3 respectively, select at least 50% of the upper limit of the
current measurement range of the testing instrument and a load point with a power
factor of 1, measure the electric energy error of the testing instrument according to the
provisions of 5.5.2.2, compare it with the measurement results under reference
conditions, and compare it with the error change limit specified in Table 8.
5.5.4.5 Reverse phase sequence
This test is only applicable to three-phase testing instruments. When any two phases of
the three-phase working voltage exchange phase sequences, select at least 50% of the
upper limit of the current measurement range of the testing instrument and a load point
with a power factor of 1, measure the electric energy error of the testing instrument
according to the provisions of 5.5.2.2, compare it with the measurement results under
reference conditions, and compare it with the error change limit specified in Table 8.
5.5.4.6 Quintuple harmonics in voltage and current signals
Under the test conditions specified in 9.4.2.2 of GB/T 17215.211-2021, measure the
electric energy error of the testing instrument according to the regulations of 5.5.2.2,
compare it with the measurement results under reference conditions, and compare it
with the error change limit specified in Table 8.
5.5.4.7 Odd harmonics in current signals
Under the test waveform conditions specified in 9.4.2.6 of GB/T 17215.211-2021,
select at least 50% of the upper limit of the current measurement range of the testing
instrument and a load point with a power factor of 1, measure the electric energy error
of the testing instrument according to 5.5.2.2, compare it with the measurement results
under reference conditions, and compare it with the error change limit specified in Table
8.
5.5.4.8 Interharmonics in current signals
Under the test waveform conditions specified in 9.4.2.5 of GB/T 17215.211-2021,
select at least 50% of the upper limit of the current measurement range of the testing
instrument and a load point with a power factor of 1, measure the electric energy error
of the testing instrument according to 5.5.2.2, compare it with the measurement results
under reference conditions, and compare it with the error change limit specified in Table
8.
5.5.4.9 One- or two-phase voltage interruption
This test is only applicable to three-phase testing instruments. Select at least 50% of the
upper limit of the current measurement range of the testing instrument and a load point
with a power factor of 1, measure the electric energy error of the testing instrument in
accordance with the following provisions and the provisions of 5.5.2.2, compare it with
the measurement results under reference conditions, and compare it with the error
change limit specified in Table 8:
a) In a three-phase four-wire network, one or two phases is/are disconnected, and the
disconnected phase(s) does/do not supply power to the power circuit of the testing
instrument; all test conditions are combined, for a total of 6 times;
b) In a three-phase three-wire network (if the testing instrument is designed for this
mode of operation), one of the three phases is disconnected, and the disconnected
Where:
T’ – the display time of the testing instrument under test, in seconds (s);
T – the display time of the standard clock tester, in seconds (s).
5.5.6 Stability
5.5.6.1 Stability of 7 h continuous operation
After the testing instrument is turned on and reaches the preheating time, select at least
50% of the upper limit of the current measurement range of the testing instrument and
a load point with a power factor of 1, measure the electric energy error of the testing
instrument according to the provisions of 5.5.1 and 5.5.2.2, keep the testing instrument
turned on and working continuously under reference conditions, then measure once
every 1 hour, for a total of 8 measurements. Compare all measurement results with the
basic error limits specified in Table 5. Compare the maximum difference between each
measurement result with the error change limit specified in Table 9.
5.5.6.2 24 h variation test
After the testing instrument is turned on and reaches the preheating time, select at least
50% of the upper limit of the current measurement range of the testing instrument and
a load point with a power factor of 1, and measure the electrical energy error of the
testing instrument according to the provisions of 5.5.1 and 5.5.2.2. Compare the two
measurement results with the basic error limits specified in Table 5, and the difference
between the two measurement results with the error change limit specified in Table 9.
5.5.6.3 Year stability test
After the testing instrument is turned on and reaches the preheating time, select at least
50% of the upper limit of the current measurement range of the testing instrument and
a load point with a power factor of 1, and measure the electrical energy error of the
testing instrument according to the provisions of 5.5.1 and 5.5.2.2. After 12 months of
normal use, measure the electrical energy error of the testing instrument again under
reference conditions. Compare the two measurement results with the basic error limits
specified in Table 5, and the difference between the two measurement results with the
error change limit specified in Table 9.
5.5.7 Display
When the testing instrument is turned on, visually inspect whether the display of the
testing instrument complies with the provisions of 4.5.6.
5.5.8 Charging
Turn on the testing instrument and set the charging rate and the charging unit price
corresponding to each rate in the testing instrument. Apply a charging load to the testing
Use a DC voltage source to output a voltage from 0 V to 3.5 V and then back to 0 V,
and check whether the testing instrument can correctly record a pulse.
Use a DC voltage source to output a voltage from 0 V to 24 V and then back to 0 V, and
check whether the testing instrument can correctly record a pulse.
Use an instrument with an allowable error limit of resistance measurement not
exceeding ±1% to measure the impedance of the pulse input terminal, and check
whether the resistance is greater than 10 kΩ.
Short-circuit the pulse input line of the testing instrument and check whether the testing
instrument can correctly record a pulse.
5.6.3 Power pulse output interface
Use an oscilloscope with an amplitude measurement tolerance limit of no more than
±2%, to measure the low-level and high-level signals of the output waveform of the
power pulse output interface, and check whether it complies with the provisions of 4.6.3.
Apply the maximum working voltage and maximum working current to the testing
instrument, and measure whether its output power pulse frequency meets the
requirements of Table 10.
5.6.4 Load communication interface
Use an analog load communication interface that conforms to the communication
protocol between the testing instrument and the load provided by the manufacturer,
connect it to the load communication interface of the testing instrument, and use serial
port monitoring software to detect the communication messages of the testing
instrument.
5.6.5 Auxiliary interface
Use visual inspection to check whether the charging connection confirmation (CC) and
control pilot (CP) signals have lead-out interfaces.
Test whether the signal of the charging interface of the testing instrument and the signal
of the auxiliary interface are connected.
Use visual inspection to check whether the AC power supply (L1, L2, L3, N) has a lead-
out interface and whether the AC power lead-out interface is protected against
accidental collision.
5.6.6 Corrosion and rust resistance
Carry out the test according to the provisions of Chapter 28 in GB/T 11918.1-2014.
5.6.7 Aging resistance of rubber and thermoplastic materials
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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