English Glossary

torque

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).

The connection where the cold water from the supplyer comes in

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.

A random process that has no memory – its result does not depend on earlier steps in the process. This means the next value of the process depends on the current value. It is independent of the previous values of the process. In probability theory, this property is also called the Markoff property.

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.

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 to failure describes the expected average time between failures occuring in a system during operation.

Average time that an item will function before it fails.

The average time that a device will take to recover from any failure.

Mechanical work per unit time.

Unit for apparent power

Middle East and North Africa