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At each transformer, such as a customer's premises, current flows from the line, through the primary coil of a step-down isolation transformer, to earth through an earth stake. From the earth stake, the current eventually finds its way back to the main step-up transformer at the head of the line, completing the circuit . [ 3 ]
The HLA rules describe the responsibilities of federations and the federates that join. [12] Federations shall have an HLA federation object model (FOM), documented in accordance with the HLA object model template (OMT). In a federation, all representation of objects in the FOM shall be in the federates, not in the run-time infrastructure (RTI).
A "transformer bank", widely used in North America: three single-phase transformers connected to make a 3-phase transformer. The low-voltage secondary windings are attached to three or four terminals on the transformer's side. In North American residences and small businesses, the secondary is often the split-phase 120/240-volt system. The 240 ...
A delta-wye transformer is a type of three-phase electric power transformer design that employs delta-connected windings on its primary and wye/star connected windings on its secondary. A neutral wire can be provided on wye output side. It can be a single three-phase transformer, or built from three independent single-phase units.
The HLA system is called a parallel hydraulic hybrid. In parallel systems the original vehicle drive-line remains, allowing the vehicle to operate normally when the HLA system is disengaged. When the HLA is engaged, energy is captured during deceleration and released during acceleration, in contrast to series hydraulic hybrid systems which ...
A single transformer may serve one large building or many homes. Pad-mounted transformers are made in power ratings from around 15 to around 5000 kVA and often include built-in fuses and switches. Primary power cables may be connected with elbow connectors, which can be operated when energized using a hot stick and allows for flexibility in ...
These systems can be used to convert three-phase 50 Hz or 60 Hz alternating current (AC) for the supply of AC railway electrification systems at a lower frequency and single phase, as used by many older systems, or to rectify AC into direct current (DC) for those systems (primarily public transit systems) using DC for traction power.
This template adds the voltage of the electrification system of a rail system in a consistent way. Template parameters [Edit template data] Parameter Description Type Status conductor conductor If ''third rail'', adds [[Third rail]] before the voltage, if ''overhead'', adds [[Overhead line]] before the voltage. Suggested values third rail overhead String optional The above documentation is ...