M470039-01 REV-F Page 113
SIX: NEW ELOAD FEATURES
NEW ELOAD FEATURES
FW: 2.17/060216
• Power Interruption (Current Interruption)
FW: 2.29/061005
• Under-temperature Trip Caution Message (UTT)
• Input Contactor Control
• Ultra-low Range Option
FW: 2.40/061005
• Step Modification
• OSC Range Selection
FW: 2.49/081007
• Interlock Function
• PV Sweep Function
FW: 2.84/100608
• Master-Slave Parallel Operation
FW: 2.90/130129
• Step Time Unit Function.
• New Overpower Function
1. POWER INTERRUPTION (CURRENT INTERRUPTION) MODE:
For Battery and Fuel Cell Testing, a common method used to measure the internal impedance is the
Current/Power Interrupt or just the Interrupt method. The battery or fuel cell is loaded at a constant current,
and the current is interrupted by bringing it down to zero or lower current level. During the interrupt period,
the battery or fuel cell voltage is measured. As a result, the magnitude of the impedance can be determined.
The Interrupt method can be achieved in either CC mode or CP mode, with recommendations in the CC mode.
Local Control:
Press SINGLE twice ➔ FLASHING
→ Set the eLoad in CC or CP Mode
→ Set the Main Level to 0Adc or the desired current level via the encoder
→ Set the Peak Level to a current level larger than the Main to load the DUT
Note: Peak Level is set via the PEAK hot key and the encoder for value edit
→ Set the Power Interruption Pulse Width (PINT: 200 μs ~ 25000 μs)
→ Set the System Bandwidth (OSC3, OSC2, OSC1 and DEFAULT)
→ Activate the INPUT
→ Activate the PULSE mode
→ Press TRIGGER to activate Power Interruption
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