I will likely swap my charge port relays for the Leaf PDM ones, part number Omron G9EA-1-NP
One relay by itself would draw 7 W and I think pissing away 14W for the relays is a bit much. I do have my RC economizer in place and was just going to test it on my bench, when I discovered the magic:
On top of the relays sits a PCB and I never payed much attention to it. Turns out when you feed 12V to pin 1 and GND to pin 2 it actually sequences AND economizes the relays for a total draw of 3W !
So definitely keep that PCB when raiding the PDM.
Nissan Leaf PDM relays
- johu
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Nissan Leaf PDM relays
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Re: Nissan Leaf PDM relays
100Amp Carry current for 10min. That's 40kw right? Am I missing something?
Converting an Porsche Panamera
see http://www.wdrautomatisering.nl for bespoke BMS modules.
see http://www.wdrautomatisering.nl for bespoke BMS modules.
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Re: Nissan Leaf PDM relays
Hmm, only found the data sheet for the G9EA-1-B and G9EA-1-B-CA but not the G9EA-1-NP. the B-CA has a max carry current of 150A for 10 minutes. The 1-B has 100A.
Strange, given the fact the BMS allows 70 kW at low SoC (equally the 24, 30 and 40 kWh BMS). At 350V that would be 200A on a capable charger. Scary! Probably not a problem in practise as most chargers only output between 100A and 125A. I guess I should still limit maximum charging current to 150A or so.
Strange, given the fact the BMS allows 70 kW at low SoC (equally the 24, 30 and 40 kWh BMS). At 350V that would be 200A on a capable charger. Scary! Probably not a problem in practise as most chargers only output between 100A and 125A. I guess I should still limit maximum charging current to 150A or so.
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