DEFINITION of 'Generally Accepted Accounting Principles-GAAP'. The common set of accounting principles, standards and procedures that companies use to compile their financial statements. GAAP are a combination of authoritative standards (set by policy boards) and simply the commonly accepted ways of recording and reporting accounting information.
A wye connection is generally a four-wire system, comprising three line conductors and a neutral conductor, whereas a delta connection is a three-wire system, comprising three line conductors. For a perfectly-balanced load (e.g. a three-phase motor), a wye-connected system can dispense with the neutral conductor.he delta connection provides three line conductors, whereas the star connection provides three line conductors plus a neutral conductor. To obtain a single-phase supply, the load is connected either between any two line conductors, or between a line conductor and a neutral conductor.
Therefore, the total delta T between the ambient air and saturated refrigerant is about 10 deg C (20 deg F). Let's start with some clarifications: A delta-T is the change in temperature of a single substance or flow of substance. The evaporator delta-T is the temperature difference between the air entering the coil and the air leaving the coil. A TD is the temperature difference between two different substances or flows of substances. The evaporator TD is the temperature difference between the air entering the coil and the saturated refrigerant.