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z_power · 07-28-2014, 06:47 AM

I use 1 of 1000uF SBE cap, pack voltage is ~184V, precharge resistor is 15 ohm 40W and it takes less than a second to reach more than 90% voltage (RC=0.015s, 5*RC=0.075s, test with scope confirms this). 184/15 gives acceptable ~12A inrush current.
I set precharge time to 2s and it works

07-28-2014, 06:47 AM	#6743 (permalink)
z_power EcoModding Lurker Join Date: Dec 2011 Location: Poland Posts: 66 Thanks: 12 Thanked 27 Times in 22 Posts	I use 1 of 1000uF SBE cap, pack voltage is ~184V, precharge resistor is 15 ohm 40W and it takes less than a second to reach more than 90% voltage (RC=0.015s, 5*RC=0.075s, test with scope confirms this). 184/15 gives acceptable ~12A inrush current. I set precharge time to 2s and it works