Sentence examples for potential transformers from inspiring English sources
For better performances, electronic instrument transformers are used to replace conventional electro-magnetic inductive current or potential transformers based on ferrous cores and windings to measure heavy current and high voltage in power system.
It starts with the investigation of the relations between ferroresonance of a bus potential transformer and circuit breaker grading capacitance, where different resistors are simulated to add in the secondary side of bus potential transformers, anticipating that the ferroresonance occurrence can be better comprehended.
Each substation in the power system has potential transformers (PT) and current transformers (CT) to monitor the three-phase bus voltages and line currents.
The results obtained herein are of importance to the optimal design of a four-reservoir chemical potential transformer.
In this paper, a method is developed to eliminate potential transformer (PT) ferroresonance through a model-free method.
This paper presents a methodology to reduce the ferroresonance between a bus potential transformer and circuit breaker grading capacitance.
Furthermore, a simple, low-cost and portable home-made potential transformer was utilized in this system to take the place of conventional electrochemical workstation.
Finally, the analysed values of resolution, signal noise, presence of DC offset and potential transformer saturation, cause a negligible reduction on the locator performance.
A new cyclic model of a four-reservoir chemical potential transformer with irreversible mass transfer and mass leakage is put forward.
Moreover, if a fault occurs in any one of the potential transformer (PT) secondary circuits or the pressure coil in the measuring device, the unit can sense the fault and register the actual energy.
The ECL signal from different immunosensors was collected in turn by a photomultiplier (PMT) with the aid of a home-made potential transformer equiped with a home-made multiplexed-switch.
