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Programmable power supply simulates voltage transients to test automotive systems and solar arrays

TDK-Lambda : 07 November, 2012  (New Product)
The TDK-Lambda Z+ Series of high-density, 2U format benchtop and rack mounted 200W and 400W power supplies can create and store up to four application-specific test waveforms, removing the need for an external controller in basic simulation tasks.
Programmable power supply simulates voltage transients to test automotive systems and solar arrays

Up to 12 values can be programmed using the waveform creator software provided and four waveforms can be stored in the Z+ unit’s memory. More complex waveforms can be created using LabView. These waveforms can be either repetitive or single-shot and injected into the system under test and the results analysed confirming the proper operation of the powered system or pinpointing a fault.

Once stored the programme can be run remotely or recalled and run directly using the Z+ front panel controls obviating the need for a computer connection if preferred.

A typical test environment would be to simulate the characteristics of another power source, for example to simulate car battery voltage transients occurring under all conditions including starting according to DIN 40839 for testing automotive electronics. The DIN 40839 standard ensures electromagnetic compatibility in road vehicles and defines several types of tests, including the injection of supply line transients (test pulses) in 12 and 24V onboard systems.

Another typical application is to simulate the output profile of a solar cell array under all conditions in order to test connected equipment.

Z+ power supplies also have a fast command processing time, output sequencing and, uniquely, two programmable output pins that can be used to control isolation or polarity reversal relays, for example, without the need of a separate PLC.

For more information about the Z+ Series, including a comprehensive datasheet, please call TDK-Lambda UK directly on +44 (0)1271 856600 or visit the website at:

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