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- Tue, 01 Dec 2009, 23:03
- Forum: General EV Discussion
- Topic: Australian Design Rules for Electric Vehicles
- Replies: 8
- Views: 1425
Be aware that batteries, particularly due to their weight/density, can be deadly in an accident. They must be suitably constrained according to ADRs even as simple loads. They must be restrained with sufficent hold down bolts and frames to withstand a 20G decelleration (Crash). (and that's in any di...
DC motors are cheaper and simpler but suffer from brush wear and losses. ac motors should be three phase to take full advantage of their efficiency. (More than three phases add efficiency but at greater weight and cost which outweighs the added efficiency. 3ph = 96%, 4ph ~98%) Switchmode controllers...