A new product which has been developed to fill the requirement for testing and verification of capacity on large battery sets such as used on rail traction applications. The equipment can be supplied in a number of formats, all being fully automatic in operation once testing has been initiated by the operator.

The system is flexible in concept and can be supplied to suit a particular requirement, while still retaining very accurate data logging of the test results. A desktop computer is used with the system (not shown here) to operate the software for the data loggers and to display and store results of the tests.

The control panel of one of the first two units built, showing the comprehensive set of controls and indications provided for the operator. The sequence of the testing is shown by a series of LED indicators and legends on the front panel. Each channel operates entirely independently of the other, control being achieved by an internal PLC unit.

An actual graph taken from a battery on test while setting up the system for the customer. The unusual feature of this particular display is the kink at the end of the discharge curve which is not a feature of the equipment, and was not repeated after the battery was cycled and retested. This image was taken as a screen dump from the software that runs the data loggers. Voltage and current are logged and then displayed separately, the test load is not constant current so the current falls as the battery voltage drops under load. A constant current discharge load will be available later.

A typical combined 110V/24V rail battery tray. The connection bar along the front battery face prevents incorrect connection of the battery and tester. Battery cells are Hoppecke FNC (Fibre Nickel-Cadmium) the unit also works with other types.

Contact us: Phone: +44 (0) 1933 356666 Fax: +44 (0) 1933 355557 Email: prepair@easynet.co.uk

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