GB/T 7404.1-2013Lead-acid battery for locomotives and rolling stock - Part 1: Valve-regulate lead acid for electric and subway locomotives (English PDF)

1 Scope

GB/T 7404 provisions of this part of the electric locomotives, subway cars with VRLA (hereinafter referred to as battery) symbol,

Product classification and nomenclature, requirements, test methods, inspection rules and signs, packaging, transportation, storage and so on.

This section applies to electric locomotives, emergency load and auxiliary electrical equipment subway cars and light rail vehicles used in batteries.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

JB/T 2599 lead-acid battery name, model designation and naming approach

DIN5510-2.2009-05 (German rail vehicle fire test standard) to prevent the burning of railway vehicles - Part 2. materials and components

Combustion characteristics and burn complicated phenomena (Preventivefireprotectinrailwayvehicle-Part 2. Firebehaviourand firesideeffectsofmaterialandparts)

3 Symbol

The following symbols apply to this document.

C1 --- 1 hour rate nominal capacity (Ah);

C5 --- 5-hour rate nominal capacity (Ah);

C10 --- 10-hour rate nominal capacity (Ah);

Found CA --- Battery Capacity (Ah), is numerically equal to the discharge current I (A) and the discharge time t (h) the product;

CE --- at reference temperature (25 °C) under the conditions of the actual capacity of the battery (of Ah);

Cd --- at -40 °C condition of the battery capacity measured in units of ampere hours (Ah);

I1 --- 1-hour rate discharging current (the A);

I5 --- 5-hour rate discharge current (A);

I10 --- 10-hour rate discharge current (A);

Is --- maximum discharge current (A), the value is equal to 3C10 or 3C5.

4 Product Classification and Nomenclature