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What is the difference between direct loading and phantom loading?
Wiki User
∙ 10y ago
Phantom loading consits of supplying the pressure circuit from a seperate low voltage supply. It s possible to circulate rated current through the curent circuit with a low voltage supply as the impedance of this is very low. therfore the total power required for testing the meter is compartively smal with phantom loading.
Wiki User
∙ 10y ago
Direct loading involves connecting a constant power source to the load, while phantom loading involves electrical devices drawing standby power even when turned off. Direct loading consumes power only when the load is active, while phantom loading results in wasted energy consumption.
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Why is the indirect method preferred to the direct loading test?
The indirect method is preferred to the direct loading test because it allows for the measurement of the entire system response, including the behavior of the surrounding soil. This method provides a more accurate representation of real-world conditions and allows for more reliable predictions of soil behavior under load.
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Why indirect method is preferred to direct loading test?
Indirect methods are preferred over direct loading tests because they are less invasive, faster, and less disruptive to the surrounding environment. They also provide a more cost-effective way to estimate soil properties and evaluate the load-bearing capacity of the soil without the need for extensive excavation or installation of test equipment.
Why is it better to determine the efficiency of the transformer indirectly rather than by loading it?
It is better to determine the efficiency of a transformer indirectly through measurements and calculations because direct loading can cause overheating and damage to the transformer. Indirect methods are safer, more accurate, and do not risk the operational integrity of the transformer.
What is the difference between between direct loading and phantom loading?
In phantom loading,less power is consumed as the current and voltage coils are connected seperately;but in direct loading a load is connected which draw a considerable power.
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