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High-leg delta (also known as wild-leg, stinger leg, bastard leg, high-leg, orange-leg, red-leg, dog-leg delta) is a type of electrical service connection for three-phase electric power installations. It is used when both single and three-phase power is desired to be supplied from a three phase transformer (or transformer bank).
A three-phase motor is more compact and less costly than a single-phase motor of the same voltage class and rating, and single-phase AC motors above 10 hp (7.5 kW) are uncommon. Three-phase motors also vibrate less and hence last longer than single-phase motors of the same power used under the same conditions. [32]
Delta-wye transformers are common in commercial, industrial, and high-density residential locations, to supply three-phase distribution systems. An example would be a distribution transformer with a delta primary, running on three 11 kV phases with no neutral or earth required, and a star (or wye) secondary providing a 3-phase supply at 415 V ...
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The first drawing shows the high-leg to be L3 on the transformer. The high-leg is normally the B-Phase; an odd explanation is given as to why L3 is winding up (pun) as the B Phase on the panel: "By convention, the high leg is usually set in the center (B phase) lug in the involved panel, regardless of the L1-L2-L3 designation at the transformer."
For example, balanced two-phase power can be obtained from a three-phase network by using two specially constructed transformers, with taps at 50% and 86.6% of the primary voltage. This Scott T connection produces a true two-phase system with 90° time difference between the phases.
The key muscles leg exercises will target are the big ones: the quads, glutes, hamstrings, and and calves. There are other, smaller support muscles, but the most useful and common leg day moves ...
To help you get moving in the right direction, we spoke with Josh York, the founder and CEO of GYMGUYZ, who shares 10 of his best high-intensity cardio exercises for weight loss."High-intensity ...