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Why are large transformers designed not to have optimum regulation in order for circuit breakers to be within reasonable size?
Wiki User
∙ 6y ago
Transformer voltage regulation and size of the circuit breakers have no direct relation
Wiki User
∙ 6y ago
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How frequency affect the performance of a transformer?
Transformers are designed for a specific application. frequency IS A MAJOR FACTOR THAT GOES INTO THE DESIGN.
High AC voltages are usually measured with?
They are usually measured using potential transformers that lower the voltages so that normal metering equipment can be used. Potential transformers PT's are almost no different that regular transformers except they are designed to be extremely accurate since they are used for metering purposes.
What circuit breakers will interchange with a Square D panel?
Only a Square D designed breaker can be installed in a Square D manufactured panel.
What is meant by switch gears in electrical engineering?
To protect the system from faults the equipment used is known as switch gearAnswerSwitchgear is the generic name for transmission and distribution equipment designed control, disconnect, and protect an electrical system. Switchgear includes circuit breakers, fuses, and isolators (US term: disconnectors). As well as being used to control circuits by opening or closing those circuits, circuit breakers are designed to interruptand to close onto electrical faults so must incorporate means of extinguishing the arcing associated with such faults. Circuit breakers, therefore, have a essential role in responding to protection systems. Isolators are non-load breaking switches, designed to isolate equipment (including circuit breakers) from high voltages, so that the equipment can be maintained.
How do you install a miniature breaker?
A miniature breaker is just two breaker that fit into one breaker slot. These types of breakers are designed to install the same as a full size breaker. Different types of breakers have different mounting configurations to the panels bus bars so installation instructions are not possible without knowing the make and type.
Explain very large transformers are sometimes designed not to have optimum regulation properties in order for the associated circuit breakers to be within reasonable size?
I'm not sure this is true. "Regulation" has to do with how the transformer's terminal voltage behaves under different loading scenarios - under heavy load, the voltage is typically dragged down some; if the transformer regulation is "good", it will not be impacted too much. Furthermore, to offset this, many transmission to distribution transformers have load tap changers which effectively add or remove windings from the secondary side (typically), allowing manual or automatic regulation as load increases and decreases. Transmission level transformers often do not use LTC, and thus regulation is more limited (these are also usually much larger transformers). The terminal voltage could fluctuate then to +/- ~5% of nominal. Circuit breakers, therefore, must be sized for the maximum voltage expected (what I have seen spec'd is 105% nominal), and maximum fault current expected. I don't think you can under size the circuit breaker to operate on a lower voltage simply because under heavy loading voltage might be lower than ideal.
Does the battery method have any limitations on testing the transformers polarity?
yes its does the higher the current will blow out the transformers
What are transformers designed to operate with?
to step up voltage or to step down voltage
What font did they use for the transformer title?
The font used for the "Transformers" title is called "Transformers Movie". It is a custom-designed font specifically created for the franchise and is not available for public use.
Has social regulation declined along with deregulation of industry?
Although Congress has deregulated specific industries, social regulation designed to protect consumers has expanded.
How do fuses or circuit breakers help protect homes?
During an electrical fault, be it a short circuit or circuit overload, fuses and breakers are designed to open at a specific amperage. This opening of either device eliminates a fire hazard before it gets a chance to start. This is how fuses and breakers protect the home.
Interchangeable circuit breakers for challenger electrical panel?
None! Distribution panel designed to use specific type of circuit breakers. It's a NEC violation to install different type of breaker even it fits perfectly.
Which type of government regulation is primarily designed to protect consumers?
rules for food packaging labels
How frequency affect the performance of a transformer?
Transformers are designed for a specific application. frequency IS A MAJOR FACTOR THAT GOES INTO THE DESIGN.
High AC voltages are usually measured with?
They are usually measured using potential transformers that lower the voltages so that normal metering equipment can be used. Potential transformers PT's are almost no different that regular transformers except they are designed to be extremely accurate since they are used for metering purposes.
What is the source of energy loss in a transformer?
Heat. On less well designed (or incorrectly used) Transformers you can get current leakage too.
Is a circuit breaker an alternative fuses?
Circuit breakers do the same thing as fuses. They interrupt current flow when a certain preset point is reached. The difference between circuit breakers and fuses are that circuit breakers are resettable and reusable, whereas fuses are one time devices that must be replaced after they blow.
