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Monitoring and Evaluation
measurement and verification
square metre per annum generation of one megawatt hour
mean Absolute Error
Physical quantity describing the impact of a magnetic field. The SI unit of magnetic flux is the weber (Wb).
mains cold water connection
The connection where the cold water from the supplyer comes in
maintenance reserve account
A dedicated account in which cash sufficient to cover a project’s maintenance expenses is regularly deposited.
The amount expressed as a percent per annum above the interest rate basis or cost of funds. For hedging and futures contracts, the cash collateral deposited with a trader or exchange as insurance against default.
maximum power point
That point on an I-V curve that represents the largest area rectangle that can be drawn under the curve. Operating a PV array at that voltage will produce maximum power.
maximum power point tracking
MPPT - operating the array at the peak power point of the array's I-V curve where maximum power is obtained.
Multilateral Development Bank
mean time between failures
Mean time to failure describes the expected average time between failures occuring in a system during operation.
mean time to failure
Average time that an item will function before it fails.
mean time to recover
The average time that a device will take to recover from any failure.
Mechanical work per unit time.
In AC voltages clasification, medium voltage is )1kV and «=35kV.
Unit for apparent power
Middle East and North Africa