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BPV – back pressure valve (goes on the end of coiled tubing a drill pipe tool strings to prevent fluid flow in the wrong direction) BQL – B/QL log BRPLG – bridge plug log
One voltage cycle of a three-phase system. A polyphase system (the term coined by Silvanus Thompson) is a means of distributing alternating-current (AC) electrical power that utilizes more than one AC phase, which refers to the phase offset value (in degrees) between AC in multiple conducting wires; phases may also refer to the corresponding terminals and conductors, as in color codes.
A three-phase induction motor has a simple design, inherently high starting torque and high efficiency. Such motors are applied in industry for many applications. 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 ...
(2006–2008) Readout changed to SAE standards, Revised to 258 hp (192 kW)at 6200 rpm and 233 lb⋅ft (316 N⋅m) of torque at 5000 rpm - *No change was made to engine, only SAE readout which changed the HP numbers; 2007–2008 (With revised bellhousing) Acura TL; Variable Valve Timing and Lift Electronic Control (VTEC) Dual-stage induction system
C&S Connect (on-line balloting and tracking system) launched for Boiler and_Pressure Vessel Committees 2007: ISO TC11 Standard 16528—Boilers and Pressure Vessels published, establishing performance requirements for the construction of boilers and pressure vessels and facilitating registration of BPV Codes to this standard 2007
The thyristor valves are usually grouped in pairs or groups of four and can stand on insulators on the floor or hang from insulators from the ceiling. Line commutated converters require voltage from the AC network for commutation, but since the late 1990s, voltage sourced converters have started to be used for HVDC.
The 2HA engine was available in two version, 540 cc and 804 cc. The earlier version was a 540 cc, with output 13.5 PS (13.3 hp; 9.9 kW) and the larger 804 cc available shortly, with output increased to 18 PS (17.8 hp; 13.2 kW). [17]
The RB engine is an oversquare 2.0–3.0 L straight-6 four-stroke gasoline engine from Nissan, originally produced from 1985 to 2004.The RB followed the 1983 VG-series V6 engines to offer a full, modern range in both straight or V layouts. [3]