under-voltage protection
121Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
122Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …
123Fingerprint — This article is about human fingerprints. For other uses, see Fingerprint (disambiguation) …
124Lithium-ion battery — Batteries caption=Lithium ion battery of Varta, Museum Autovision, Altlußheim, Germany EtoW=160 Wh/kg EtoS=270 Wh/l PtoW=1800 W/kg CtoDE=99.9% [Cite web | title = BatteryUniversity.com: Charging lithium ion batteries | first = Isidor | last =… …
125Wind power — Wind power: worldwide installed capacity [1] …
126Diesel locomotive — Three styles of diesel locomotive body: cab unit, hood unit and box cab. These locomotives are operated by Pacific National in Australia …
127Ground and neutral — For uses of the term ground or earth in electricity but not in the context of mains wiring, see ground (electricity). Since the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely… …
128Wheel speed sensor — [ head unit.] Wheel speed sensors or vehicle speed sensors (VSS) are sender devices used for reading the speed of the vehicle s wheel rotation. It usually consists of a toothed ring and pickup. Special purpose speed sensors Rotary speed sensors… …
