TB/T 3166-2016 in English
VALIDStand test methods of diesel locomotives traction and thermodynamic performance
- Issued on:2016-05-26
- Implemented on:2016-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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Introduction
Standard evolution and scope of application
TB/T 3166-2016 replaces the 2007 version of the standard, adding 8 key technical requirements such as AC motor parameter measurement, which is applicable to diesel locomotives with electric/hydraulic transmission, and the test accuracy is improved to torque measurement ±1.0%.
Comparison of core test conditions
| Elements | 2007 Edition | 2016 Edition | Change Description |
|---|---|---|---|
| Environmental temperature | Unspecified measuring points | 4 points set 1.5m from the air inlet | Added temperature field uniformity control |
| Space requirements | 3 times the volume | 5 times the volume | Strengthen air flow organization |
| Torque accuracy | ±1.5% | ±1.0% | Adopt new digital torque meter |
Key test parameter system
Appendix A specifies 42 types of measurement parameters, including the following:
- AC motor phase angle (accuracy ±0.5°)
- Harmonic distortion rate (THD≤3%)
- Transient response time (<100ms)
Typical calculation model
Case:When DF8B locomotive is tested at an altitude of 500m, the wheel traction correction formula is:
Fcorrected = Fmeasured × (1 + 0.03×Δh/1000)
Where Δh is the altitude difference, and when the ambient temperature exceeds the limit, the temperature compensation coefficient needs to be added.
Implementation suggestions
- The test bench needs to be equipped with a dynamic power analyzer to meet the AC parameter measurement
- It is recommended to establish an automatic compensation system for environmental parameters
- The magnetic field weakening test should include dynamic acquisition in the transition zone

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