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GB/T 37423-2019 English PDF (GBT37423-2019)

GB/T 37423-2019 English PDF (GBT37423-2019)

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GB/T 37423-2019: Urban rail transit inverter for regenerative braking energy absorption
GB/T 37423-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.280
S 30/39
Urban rail transit inverter for regenerative braking
energy absorption
ISSUED ON: MAY 10, 2019
IMPLEMENTED ON: DECEMBER 01, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 6 
4 Conditions of use ... 8 
4.1 Environmental conditions ... 8 
4.2 Power supply conditions... 8 
5 Classification, specifications and models ... 9 
5.1 Classification and specifications ... 9 
5.2 Common specifications ... 9 
5.3 Model ... 10 
6 Requirements ... 10 
6.1 General requirements... 10 
6.2 Performance requirements ... 11 
6.3 Functional requirements ... 13 
6.4 Safety requirements ... 14 
7 Test method ... 15 
7.1 Insulation test ... 15 
7.2 Auxiliary device test ... 17 
7.3 Protection function test ... 17 
7.4 Light load test ... 18 
7.5 Load test ... 18 
7.6 Test of current total distortion rate ... 19 
7.7 Power efficiency test ... 20 
7.8 Power factor test ... 20 
7.9 Response time test... 20 
7.10 Noise test ... 21 
7.11 Temperature rise test ... 21 
7.12 Three-phase voltage unbalance test ... 21 
7.13 Electromagnetic compatibility test ... 22 
8 Inspection rules ... 23 
8.1 Type inspection ... 23 
8.2 Exit-factory inspection ... 24 
8.3 Inspection items ... 24 
9 Markings ... 25 
10 Packaging, transportation, storage ... 26 
10.1 Packaging ... 26 
10.2 Transportation ... 26 
10.3 Storage ... 26 
References ... 27 
Urban rail transit inverter for regenerative braking
energy absorption
1 Scope
This standard specifies the use conditions, classification, specifications and
models, technical requirements, test methods, inspection rules, markings,
packaging, transportation and storage of the urban rail transit inverter for
regenerative braking energy absorption (hereinafter referred to as the inverter
device) .
This standard is applicable to devices that absorb the regenerative braking
energy by means of inverter feedback in urban rail transit DC traction power
supply systems.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 1094.11 Power transformer - Part 11: Dry-type transformer
GB/T 1094.101 Power transformers - Part 101: Determination of sound
levels - Application guide
GB/T 15543-2008 Power quality - Three-phase voltage
GB/T 17626.2 Electromagnetic compatibility - Part 2: Testing and
measurement techniques - Electrostatic discharge immunity test
GB/T 17626.4 Electromagnetic compatibility - Part 4: Testing and
measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility - Part 5: Testing and
measurement techniques - Surge immunity test
GB/T 17626.6 Electromagnetic compatibility - Part 6: Testing and
measurement techniques - Immunity to conducted disturbances, induced by
radio-frequency fields
GB/T 17626.7-2017 Electromagnetic compatibility - Part 7: Testing and
measurement techniques - General guide on harmonics and inter-harmonics
measurements and instrumentation, for power supply systems and
equipment connected thereto
GB/T 17626.8 Electromagnetic compatibility (EMC) - Part 8: Testing and
measurement techniques - Power frequency magnetic field immunity test
GB/T 17626.11 Electromagnetic compatibility - Part 11: Testing and
measurement techniques - Voltage dips, short interruptions and voltage
variations immunity tests
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Periodic intermittent duty
The working method that the operation of the inverter device is periodic and
each period includes a duration of constant load operation and a duration of
standby mode.
3.2
Periodic intermittent peak power
The maximum power that the inverter device can output under the periodic
intermittent work system.
3.3
Harmonic (component)
A component whose frequency is an integer multiple of the fundamental
frequency, as obtained by Fourier series decomposition against the periodic
alternating quantity.
[GB/T 14549-1993, definition 3.4]
3.4
Total distortion ratio; TDR
The ratio of the root mean square value of the total distortion content of an
alternating variable to the root mean square value of the fundamental
4.2.2 The nominal voltage of the three-phase AC system of the inverter device
can be divided into AC0.4 kV, AC10 kV, AC20 kV, AC35 kV; the corresponding
voltage and frequency shall meet the following requirements:
a) The sum of the absolute value of the positive and negative deviations of
the power supply voltage of 35 kV and above shall not exceed 10% of the
nominal voltage;
b) The deviation of the three-phase power supply voltage of 20 kV and below
shall be ±7% of the nominal voltage;
c) The frequency deviation limit should be ±0.2 Hz under normal operation
conditions of the power system.
4.2.3 The auxiliary power supply shall meet the following requirements:
a) DC220 V/110 V power supply: its voltage fluctuation range shall not
exceed 90% ~ 110% of the rated voltage. This power supply should supply
power for the inverter device’s control, protection and other circuits;
b) AC220 V/380 V power supply: its voltage fluctuation range shall not
exceed 85% ~ 110% of the rated voltage. This power supply should be
used for cooling fans, etc.
5 Classification, specifications and models
5.1 Classification and specifications
5.1.1 According to the input DC voltage level, the products can be divided into
750 series and 1500 series.
5.1.2 According to the AC voltage level, it can be divided into 0.4 kV, 10 kV, 20
kV, 35 kV and other types.
5.1.3 According to the periodic intermittent peak power, it can be divided into
500 kW, 1000 kW, 1500 kW, 2000 kW, 3000 kW, 4000 kW, etc.
5.2 Common specifications
Common specifications of inverter devices are as shown in Table 1.
6.3 Functional requirements
6.3.1 The stable DC voltage and constant power output functions of the inverter
device shall meet the following requirements:
a) When the feedback power of the inverter device increases with the
increase of the regenerative braking power, the inverter device shall be
able to control the DC voltage within the upper limit voltage within the peak
power range;
b) When the DC voltage exceeds the upper limit voltage, the inverter device
shall be able to maintain the peak power output, meanwhile the feedback
power will no longer increase with the increase of the regenerative braking
power.
6.3.2 The measurement and control system of the inverter device shall have
the function of communicating with the host computer; meanwhile it can
remotely monitor the working status of the inverter device. The communication
interface and communication protocol should meet the following requirements:
a) When the physical interface is RS485 interface, the communication
protocol should be Modbus_RTU;
b) When the physical interface is an Ethernet interface,...
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