#vinfast #votol #xedien #vino #vcreator #mtpa
How to Calculate MTPA Parameters for All Votol Electric Vehicle Ecus
How to Calculate MTPA Parameters for all electric vehicle Ecu, for example here is the Votol ecu
after determining rated speed
We calculate (Kv)
Kv=rated speed/vol
Here are some formulas to estimate MTPA based on KV:
1. Simple formula:
MTPA ≈ (KV / 60) * (Supply voltage)
For example:
BLDC motor has KV = 1000, supply voltage = 12V
MTPA ≈ (1000 / 60) * 12 ≈ 20A
2. Advanced formula:
MTPA ≈ (KV / 60) * (Supply voltage) * (Number of poles) * (Performance)
For example:
BLDC motor has KV = 1000, supply voltage = 12V, number of poles = 12, efficiency = 80%
MTPA ≈ (1000 / 60) * 12 * 12 * 0.8 ≈ 28.8A
3. Torque-based formula:
MTPA ≈ (Maximum Torque) / (Supply Voltage * Performance)
For example:
BLDC motor has maximum torque = 0.5 Nm, supply voltage = 12V, efficiency = 80%
MTPA ≈ 0.5 / (12 * 0.8) ≈ 5.2A
It should be noted that:
These formulas are estimates only and may not be accurate for all BLDC motors.
The accuracy of these formulas depends on the quality of input data (KV, supply voltage, number of poles, efficiency, maximum torque).
Simulation or experimental methods should be used to calculate MTPA more accurately.
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