Homework Answers
Add Answer to:
Please answer the following with all explanation:
Problem #2 what will be the approximate % error...
Please answer the following with all explanations Problem #3 A 1200/5, C400 CT is connected on the tap 1000/5. What is the maximum secondary burden that can be used and we can maintain rated accur...
Please answer the following with all explanations
Problem #3 A 1200/5, C400 CT is connected on the tap 1000/5. What is the maximum secondary burden that can be used and we can maintain rated accuracy at 20 times rated symmetrical secondary current?
Problem #3 A 1200/5, C400 CT is connected on the tap 1000/5. What is the maximum secondary burden that can be used and we can maintain rated accuracy at 20 times rated symmetrical secondary current?
A CT of ratio of 200:5 is used in a relaying application where the burden impedance...
A CT of ratio of 200:5 is used in a
relaying application where the burden impedance is 0.5 ohms. If the
pick-up current value is 5 A, what is the line current required to
trip the relay? Also what is the CT error? Hint: Calculate the
total secondary current using the graph (I_s=I_e+I_pc) then find
the line current using the CT ratio.
POWER SYSTEMS PROTECTION
A CT of ratio of 200:5 is used in a relaying application where the burden...
Problem #1 A multi-ratio current transformer with the following ratios (1200:5, 1000/5, and 800:5) high permeability...
Problem #1 A multi-ratio current transformer with the following ratios (1200:5, 1000/5, and 800:5) high permeability silicon steel has a cross sectional area of 3.5 square-inches and a secondary resistance winding of 0.29 Ohms. The maximum current for which the transformer will operate is 35kA at 60 Hz. The relay burden including the leads is 2.2 Ohms. Using the formula method determine if the CT will saturate at the three given rations (CT saturation density)
Please help and show all work on how to get answer. Appreciate it!! 4. A 10:1...
Please help and show all work on how to get answer.
Appreciate it!!
4. A 10:1 step up transformer is connected to a 60 volt generator as shown. The resistance in the secondary circuit is 100 ohms. Find: a. The voltage in the secondary circuit. [3] b. The current in the secondary circuit. [3 c. The current in the primary circuit. [3]
18. The primary conductor in Figure 10.2 is one phase of a three-phase trans- mission line operat...
18. The primary conductor in Figure 10.2 is one phase of a three-phase trans- mission line operating at 345 kV, 700 MVA, 0.95 power factor lagging. The CT ratio is 1200:5, and the VT ratio is 3000:1. Determine the CT second- ary current and the VT secondary voltage V. Assume zero CT error. A CO-8 relay with a current tap setting of 5 amperes is used with the 100:5 CT in Example 10.1. The CT secondary current I' is the...
Please answer the problem below for all parts . Please show all work and write clearly. Thanks.
Please answer the problem below for all parts . Please show all
work and write clearly. Thanks.
(a) (0) What is the difference between an autotransformer and a conventional transformer? 2. (ii) Why are high-impedance transformer used in electric toys? (b) Three single-phase transformers each rated at 150 kVA, 7200 V/600 V, 60 Hz, are connected in wye-delta on a 12470 V, 3-phase line. If the load is 450 kVA, calculate the followings: (i) The current flowing in the incoming...
please, Answer all questions and give a detailed explanation. What is output by the following? class...
please, Answer all questions and give a detailed
explanation.
What is output by the following? class A public: AO { ++x; } static int x; int A::X - 1; int maino vector<A> vec(8): cout << A: :: 11111111 1111111111 What is output by the following? class A public: AO ++ ; } AO ( X ) static int x: int A::: int maino vector<A vec(5): 1 (Alix < 10) Ab, c, d, e, fg: cout < vec.at (2).X: VINNA What...
Please answer the following in detail with a physics explanation for each step: A radio tuning...
Please answer the following in detail with a physics explanation for each step: A radio tuning circuit contains an RLC circuit with R= 6.00 Ohms, L= 2.80 uH. a) What capacitance is needed to produce a resonant frequency at 98.1 MHz? b) If the capacitance is increased above this value, what will happen to the total impedance? c) Find the impedance of the circuit when the capacitance is 99.0% of the value found in part a) d) in part c)...
Hello, Can you please help with this problem and provide an explanation for the correct answer?...
Hello, Can you please help with this problem and provide an explanation for the correct answer? Thank you. An investor must choose between two bonds: Bond A pays $70 annual interest and has a market value of $845. It has 12 years to maturity. Bond B pays $80 annual interest and has a market value of $760. It has seven years to maturity. Assume the par value of the bonds is $1,000. a. Compute the current yield on both bonds....
Please give an explanation to all work! I need an explanation as to why this is...
Please give an explanation to all work! I
need an explanation as to why this is convergent or divergent.
Also please show ALL steps to this problem! Without the work and
explanation the answer does not mean anything.
Test the series for convergence or divergence. Σ (-1)" 8"n! n = 0 Identify bn Evaluate the following limit. lim bn n → 00 Since no lim bn ? A 0 and bn + 1 ? bn for all n, ---Select--- If...
Please answer the following with all explanations
Problem #3 A 1200/5, C400 CT is connected on the tap 1000/5. What is the maximum secondary burden that can be used and we can maintain rated accuracy at 20 times rated symmetrical secondary current?
Problem #3 A 1200/5, C400 CT is connected on the tap 1000/5. What is the maximum secondary burden that can be used and we can maintain rated accuracy at 20 times rated symmetrical secondary current?
A CT of ratio of 200:5 is used in a
relaying application where the burden impedance is 0.5 ohms. If the
pick-up current value is 5 A, what is the line current required to
trip the relay? Also what is the CT error? Hint: Calculate the
total secondary current using the graph (I_s=I_e+I_pc) then find
the line current using the CT ratio.
POWER SYSTEMS PROTECTION
A CT of ratio of 200:5 is used in a relaying application where the burden...
Problem #1 A multi-ratio current transformer with the following ratios (1200:5, 1000/5, and 800:5) high permeability silicon steel has a cross sectional area of 3.5 square-inches and a secondary resistance winding of 0.29 Ohms. The maximum current for which the transformer will operate is 35kA at 60 Hz. The relay burden including the leads is 2.2 Ohms. Using the formula method determine if the CT will saturate at the three given rations (CT saturation density)
Please help and show all work on how to get answer.
Appreciate it!!
4. A 10:1 step up transformer is connected to a 60 volt generator as shown. The resistance in the secondary circuit is 100 ohms. Find: a. The voltage in the secondary circuit. [3] b. The current in the secondary circuit. [3 c. The current in the primary circuit. [3]
18. The primary conductor in Figure 10.2 is one phase of a three-phase trans- mission line operating at 345 kV, 700 MVA, 0.95 power factor lagging. The CT ratio is 1200:5, and the VT ratio is 3000:1. Determine the CT second- ary current and the VT secondary voltage V. Assume zero CT error. A CO-8 relay with a current tap setting of 5 amperes is used with the 100:5 CT in Example 10.1. The CT secondary current I' is the...
Please answer the problem below for all parts . Please show all
work and write clearly. Thanks.
(a) (0) What is the difference between an autotransformer and a conventional transformer? 2. (ii) Why are high-impedance transformer used in electric toys? (b) Three single-phase transformers each rated at 150 kVA, 7200 V/600 V, 60 Hz, are connected in wye-delta on a 12470 V, 3-phase line. If the load is 450 kVA, calculate the followings: (i) The current flowing in the incoming...
please, Answer all questions and give a detailed
explanation.
What is output by the following? class A public: AO { ++x; } static int x; int A::X - 1; int maino vector<A> vec(8): cout << A: :: 11111111 1111111111 What is output by the following? class A public: AO ++ ; } AO ( X ) static int x: int A::: int maino vector<A vec(5): 1 (Alix < 10) Ab, c, d, e, fg: cout < vec.at (2).X: VINNA What...
Please give an explanation to all work! I
need an explanation as to why this is convergent or divergent.
Also please show ALL steps to this problem! Without the work and
explanation the answer does not mean anything.
Test the series for convergence or divergence. Σ (-1)" 8"n! n = 0 Identify bn Evaluate the following limit. lim bn n → 00 Since no lim bn ? A 0 and bn + 1 ? bn for all n, ---Select--- If...
Most questions answered within 3 hours.
-
Question:
Evaluation: Answer both (a) and (b): (a) Looking at
Table 6.1 in our text, explain...
asked 1 minute ago -
What is the maximum number of edges that a graph on 7 vertices can
have if...
asked 22 minutes ago -
Question 05
(a) i) What are the three type of general defects in welding?
ii) Explain...
asked 7 minutes ago -
If the wage rate increases from $12 to $16 and, as a result, the
quantity demanded...
asked 13 minutes ago -
the slime layer external to the prokaryotic cell wall is called
the ?
asked 21 minutes ago -
Cheyenne Company must decide whether to make or buy some of its
components. The costs of...
asked 24 minutes ago -
What is the entropy change for mixing 1 liter of a monoatomic
ideal gas (call it...
asked 21 minutes ago -
A company that has 150 employees chooses a committee of 11 to
represent employee retirement issues....
asked 43 minutes ago -
the
force between two 2.11 x 10^-4 C charges that are 2.11 meters apart
is ______N?
asked 58 minutes ago -
A truck of mass m slows from speed v0 to speed v in a
time t....
asked 44 minutes ago -
A 60kg box rests on a floor with a coefficient of kinetic
friction of 0.600 and...
asked 42 minutes ago -
if you cut off ANS innervation what would happen to the heart
rate?
asked 41 minutes ago