GB/T 17692-2024 PDF English
US$560.00 · In stock · Download in 9 secondsGB/T 17692-2024: Measurement methods of net power for automotive engines and drive motor Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 17692: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 17692-2024 | English | 560 |
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Measurement methods of net power for automotive engines and drive motor
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| GB/T 17692-1999 | English | 230 |
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Measurement methods of net power for automotive engines
| Obsolete |
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GB/T 17692-2024: Measurement methods of net power for automotive engines and drive motor---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT17692-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.060.01
CCS T 11
Replacing GB/T 17692-1999
Measurement methods of net power for automotive engines
and drive motor
Issued on. JUNE 29, 2024
Implemented on. JANUARY 01, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 5
4 General principles... 7
5 Requirements... 7
6 Result evaluation... 8
Appendix A (Normative) Main characteristics of the engine and information related to
the test... 10
Appendix B (Normative) Main characteristics of the drive motor and information
related to the test... 17
Appendix C (Normative) Test method for net power of engine... 19
Appendix D (Normative) Test method for net power and maximum 30 min power of
drive motor system... 31
Appendix E (Normative) Technical requirements for benchmark fuels... 35
Bibliography... 40
1 Scope
This document describes the method for conducting net power test and maximum 30
min power test of drive motor systems for engines and drive motor systems for M and
N category vehicles, based on the net power versus speed curve proposed by the
manufacturer.
This document applies to reciprocating piston engines (spark ignition or compression
ignition) or rotary engines (spark ignition or compression ignition), but not to free
piston engines.
This document applies to drive motor systems.
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 17691-2018, Limits and measurement methods for emissions from diesel
fueled heavy-duty vehicles (CHINA VI)
GB 18352.6-2016, Limits and measurement methods for emissions from light-duty
vehicles (CHINA 6)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB 17691-2018
and GB 18352.6-2016 as well as the following apply.
3.1
net power
The power measured at the corresponding speed at the engine crankshaft end (or the
shaft end of the drive motor system) or its equivalent end on the test bench according
to the prescribed test method.
3.2
maximum 30 min power
The average value of the maximum net power continuously output by the drive motor
system within 30 minutes according to the specified test method.
3.3
drive motor system
A system installed on electric vehicle to provide driving force for the vehicle and realize
the mutual conversion between mechanical energy and electrical energy.
3.4
hybrid electric vehicle
A vehicle capable of obtaining power from at least two of the following types of on-
board stored energy devices.
3.5
dual-fuel engine
An engine that can be fueled by diesel and one other fuel at the same time.
3.6
dual-fuel model
A normal operation mode under which the dual-fuel engine uses diesel and one other
fuel simultaneously, under certain operating conditions.
4 General principles
4.1 Product certification
4.1.1 Engines or drive motor systems submitted for certification in accordance with the
requirements of Chapter 5 (the main characteristics and test-related information shall
be in accordance with the provisions of Appendix A or Appendix B) shall undergo
product certification tests in accordance with the provisions of Appendix C or Appendix
D.
4.1.2 The product certification test results shall comply with the provisions of 6.1.
4.2 Production consistency
4.2.1 In order to verify that the engine or drive motor system produced after product
certification meets the quality requirements, a sample shall be selected for testing in
accordance with the provisions of Appendix C or Appendix D, and the test results shall
comply with the provisions of 6.2.
5 Requirements
5.1 Basic requirements
5.1.1 Parts that affect the power of the engine or drive motor system shall meet the
technical standards of the manufacturer during the design, manufacturing and assembly
process to ensure that the engine or drive motor system can operate normally and stably.
5.2 Test requirements for net power for engine
5.2.1 Carry out the net power test of the engine in accordance with the requirements of
Appendix C. The accessories installed during the test shall meet the requirements of
Table C.1.
5.2.2 Except for the following cases, the fuel used in the engine test shall be
commercially available fuel. In case of dispute, the benchmark fuels in Appendix E
shall be used.
5.3 Test requirements for net power and maximum 30 min power for drive motor
system
5.3.1 Carry out the net power and maximum 30 min power test of the drive motor
system according to the requirements of Appendix D; the accessories installed during
the test shall meet the requirements of Table D.1.
5.3.2 Control the drive motor system to perform the maximum 30 min power test at
rated speed.
6 Result evaluation
6.1 Product certification test results
6.1.1 The engine product is based on the manufacturer's declared curve. If the net power
value on the declared curve corresponds to a single speed, the test is conducted within
the deviation of the speed corresponding to each declared value within ±1.5%; if the
declared value corresponds to the speed range (X1 ~ X2), the test is conducted within
the speed range corresponding to each declared value from (X1 + 1.5% X1) r/min to
(X2-1.5% X2) r/min (X1< X2).
6.1.2 The net power and maximum 30 min power measured values of the drive motor
system shall not be lower than those specified in the product technical documents.
6.1.3 For dual-fuel engines, the net power declared by the manufacturer refers to the
value in dual-fuel model.
6.2 Production consistency test results
6.2.1 For the engine, at the speed corresponding to the maximum net power and
maximum net torque declared during product certification (if the corresponding speed
is a range, select one arbitrarily within the range), at least one of the net power values
measured within the range of ±5% of the declared speed shall deviate from the declared
value during product certification by no more than ±5%.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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