Question: A 415 V three-phase a.c. motor has a power output of 12.75 kW and operates at a power factor of 0.77 lagging and with

A 415 V three-phase a.c. motor has a power output of 12.75

A 415 V three-phase a.c. motor has a power output of 12.75 kW and operates at a power factor of 0.77 lagging and with an efficiency of 85%. If the motor is delta-connected, determine (a) the power input, (b) the line current and (c) the phase current.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The detailed ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

A Production Modelling Problem Memo .Solve the production problem presented above. Your solution must depict a system dynamics flow diagram. Show any two types of flows and the concomitant equations...

A Carnot engine has a power output of 150 kW. The engine operates between two reservoirs at 20.0C and 500C. (a) How much energy does it take in per hour? (b) How much energy is lost per hour in its...

A gasoline engine has a power output of 180 kW (about 241 hp). Its thermal efficiency is 28.0%. (a) How much heat must be supplied to the engine per second? (b) How much heat is discarded by the...

a. A large nuclear power plant has a power output of 1000 MW. In other words, it generates electric energy at the rate 1000 MJ/s. How much energy does this power plant supply in one day? b. The...

Exercise: MiniWarGame. In this exercise, we will implement a mini version of the card game "War". There are 2 players, each having a deck with 6 "cards": There are two cards with value 1, two cards...

Question - 1 : [ CLO - 3 , 4 ; Tax - 1 ; 0 5 marks ] Three similar coils, each having a resistance of 4 . 0 and an inductive reactance of 3 . 4 6 , are connected ( a ) in star and ( b ) in delta...

No - Load and Load test were carried out on a three - phase, 4 1 5 V , delta - connected induction motor. The test results are as follows: The friction, windage, and rotor core loss \ ( = 6 5 0 \...

Question 1 A single wattmeter is used to measure the total active power taken by a 4 0 0 V , three - phase induction motor. When the output power of the motor is 1 5 kW , the efficiency is 8 8 per...

Hello, you already did chapter 1 and 2 of my MASTERS Thesis already for me. (See attached) So normally you know masters thesis consist of 5 chapters right ??..... But in this case my thesis will be 4...

Q. 1. Explain the concept of Operations Management and describe in brief contributions made by Henry Ford and Taguchi. Q. 2. Describe the characterstics of job production and mass production. Q. 3....

Question 1: The flux per pole in a synchronous motor with the field circuit ON and the startor disconnected from the supply is found to be 25 mWb. When startor is connected to the rated supply with...

The following accounts appear in the ledger of Kennel Inc. after the books are closed on December 31, 2021: Accumulated other comprehensive income $51,410 Common shares (unlimited number of shares...

a. Discuss the development of a probability distribution of effective financing rates when financing in a foreign currency. How is this distribution developed? b. Once the probability distribution of...

1 The presenter suggested that clients should have a digital assets clause in their wills that specifies the ability of a fiduciary to access these assets. a . true b . fatse

The software for the TCP/IP Protocol comes with the browser Select one: O a. False O b. Ture

Balancing economic outcomes, legal requirements and ethical duties requires enacting decisions and taking actions that are consistent with the organizations philosophy. In addition, it means that an...

The solution of the differential equation dx dy ye2* 2y?e* +e2* 2ye* e 2 4* + 4y? = 0 is: | A) y?e* + e* - y = c B) y?e* e* y = c C) ye* ex y? = c D) ye* + e* - y? = c

Develop 5 structured interview questions for hiring the Controller of Examination at a public Sector College. Please make sure it is plagiarism-free.

What methods and measures would you use to evaluate the training of bank tellers on customer service communication skills

True or false, 50% of workers employed in Australian STEM (science, technology, engineering, mathematics) fields are women. Question 9Select one: True False

Evaluate the following derivatives: (a) d / dt [u(t - 1) u(t + 1)] (b) d /dt [r(t - 6) u(t - 2)] (c) d /dt [sin 4tu(t - 31)]

Show that sin ao aw aco

As done in Fig. 13.32, obtain the relationships between terminal voltages and currents for each of the ideal transformers in Fig. 13.105. 00.00 1:* 1:R V2 (b) (a) 1:N V2 (d) (c) 000 le

Using the drawing of a pair of scissors below, do the following: a. Draw the product structure tree for the scissors. b. Perform MRP for the scissors and all its components except the screw. Lead...

Consider the magazine rack and its pieces shown on the following page. The raw material is 1 inch by 6 inches by 6 feet long planks of oak lumber. The 6 rails and handle are made from one plank of...

Restaurants need to plan the purchase and production of their food ingredients and components based on the forecast of demand for each meal. Consider the following example for veal picante with...