Do not put your Transformer Electrical Engineering Homework Help academic career at risk. Get expert help to do your assignments. We offer the best Do my homework service through the help of industry professionals. No more wakeful nights I Transformer Electrical Engineering Homework Help could not have accomplished it without your help. You have always been there for me even when my assignment was last minute. Thank you from the bottom of my heart. Transformer Electrical Engineering Homework Help May God bless you and your family always. - Ann, English Graduate Electrical Engineering questions and answers. A MVA, 10/kV single-phase transformer has per-unit resistance of 1% and per-unit reactance of 4%. The magnetizing impedance is 50j per-unit. a. Find equivalent circuit referred to the low-voltage side of the transformer b. Calculate voltage regulation of this transformer for a full-load
Exam: rr -transformers | Electrical Engineering homework help - Essays Deal
When you have completed your exam and reviewed your answers, click Submit Exam. Answers will not be recorded until you hit Submit Exam.
If you need to exit before completing the exam, click Cancel Exam. Questions 1 to Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entirequestion and allthe answers before choosing an answer. What is the efficiency of a transformer that has an input of VA and an output to a load of VA? Three single-phase transformers, each having a secondary phase current of 10 A, are Delta-Delta— connected.
The value of the secondary line current is A. What would be the power in the secondary of a transformer that has a voltage of 48 VAC and a current of 2. What type of transformer is used to prevent electrical noise from passing from the primary winding to the secondary winding? Delta transformer B. Oil- filled transformer C.
Dry- type transformer D. Shielded transformer 5. three- phase. four- phase. two- phase. zero- phase. oiled paper B. plastic C. copper D. iron 7. The primary current drawn by the transformer shown will be A.
If the turns ratio of a transformer is 4 : 1 and the incoming voltage is VAC, what is the secondary voltage? If the primary in a transformer has more turns than the secondary, the secondary has A. higher power.
lower ampere- turns. lower voltage. lower current. What special installation or maintenance requirements are needed for askarel-insulated transformers? The oil must be transformer electrical engineering homework help at least once a year. The radiator must be installed where air can circulate and the fins must remain clean. Cooling water must be supplied to the transformer core, transformer electrical engineering homework help.
The transformer must be installed in a vault if the voltage exceeds 35, VAC. What type of device is used on a distribution transformer to protect the transformer from voltage spikes?
A fuse B. A pressure vent C. A ground shield D. A surge diverter When a load is suddenly connected to a transformer, the secondary voltage will be reduced. This drop in voltage is called transformer A. This is called A. a distribution transformer. an electronic transformer. an autotransformer. a specialty transformer. If VAC is applied to a transformer with a turns ratio of 6 : 1, what type of transformer is present and what is the output voltage of the secondary? Step- up, VAC B.
Step- down, 60 VAC C. Step- down, 20 VAC D. Step- up, transformer electrical engineering homework help, VAC Typical potential transformers are used for A.
powering lighting systems from high- voltage feed lines. biasing control circuits in high- voltage circuits. powering current- sensitive relays in control circuits. allowing the connection of low- voltage measuring instruments to high- voltage lines. If the power in the primary circuit of a 4 : 1 transformer is 12 watts, what will be the power in the secondary of this transformer? An inductor whose reactance can be varied by supplying current through a separate DC winding is called A.
a current transformer. a reactance tube. a saturable reactor. Transformer electrical engineering homework help of exam Why are high-quality transformers wound with large diameter wire? To lower the I 2 R losses B. To lower the hysteresis losses C.
To lower the eddy current losses D. To lower the magnetic leakage losses The secondary line-to-line voltage of a three-phase Y-Y—connected transformer bank is VAC. What would be the secondary line to neutral voltage? Delivering a high-quality product at a reasonable price is not enough anymore. This describes us perfectly. Make sure that this guarantee is totally transparent. Each paper is composed from scratch, according to your instructions.
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