Remember that the only absrobed power that does not change is real power being 500 KW....
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Remember that the only absrobed power that does not change is real
power being 500 KW....
8)In a power plant, what creates real, reactive, and apparent power? (9)When theta increases and decreases,...
8)In a power plant, what creates real, reactive, and apparent power? (9)When theta increases and decreases, what happens to the absorbed powers, the capacitor, and the capacitance reactance? 10)When the capacitor size is changed, what happens to the absorbed powers, the power factor angle, and the capacitance reactance?
2) A 480 V, 60 Hz, 400 hp 0.8 PF-lagging eight-pole A-connected synchronous motor has a...
2) A 480 V, 60 Hz, 400 hp 0.8 PF-lagging eight-pole A-connected synchronous motor has a synchronous reactance of 0.6 and negligible armature resistance. Ignore the mechanical and core losses. The magnitude of the internal machine voltage is 480 V when the field current is 4 A. Assume magnetic linearity. Initially, the motor operates at the rated conditions. a) Find the speed of this motor. b) Find the armature and field currents. c) What is the developed torque? What is...
A synchronous generator is driven by a diesel engine to provide electricity to a remote mining operation. The generator is three-phase, Y-connected, 60 Hz, 900 rpm, 600 V, 3300 kW, 4125 kVA, and it has a synchronous reactance of 0.120 Ω per p
A synchronous generator is driven by a diesel engine to provide electricity to a remote mining operation. The generator is three-phase, Y-connected, 60 Hz, 900 rpm, 600 V, 3300 kW, 4125 kVA, and it has a synchronous reactance of 0.120 Ω per phase. Ignore all losses, and assume the machine iron is not saturated.(a) The generator is set to deliver its rated active power at unity power factorand rated terminal voltage. Determine:i. The speed of the diesel engine driving the generator;ii. The rotor electrical...
Based on the motor nameplate below, when operated at the rated voltage and current, determine the following: a. The real power, P, reactive power, Q, and apparent power, S, used by the motor. b. Sketc...
Based on the motor nameplate below, when operated at the rated
voltage and current, determine the following:
a. The real power, P, reactive power, Q, and
apparent power, S, used by the motor.
b. Sketch an equivalent circuit to model for
the motor.
c. The efficiency of the motor (calculated from
shaft power/real power in).
d. What value of capacitor would you use to
correct the power factor to 1?
e. Sketch a vector diagram showing the phasor
current in...
ll capace, expressed in oks. They 9. The opposition offered to the non offered to the...
ll capace, expressed in oks. They 9. The opposition offered to the non offered to the flow of a C alensis XE. 1. Inductive Reactance 2. Capacitive Reactance 3. Impedance 4. Resistance 10. The opposition offered to the The opposition offered to the flow of an alteratine curenty inductance, expressed in ons. The symbol for characteristic is XL. 1. Inductive Reactance 2. Capacitive Reactance 3. Impedance when a voltage 11. What is the basic unit of capacitance? Example: A capacitor...
Generator is rated 18KVA at 0.7 pf lagging. Terminal voltage is fixed at 600 volts. Synchronous...
Generator is rated 18KVA at 0.7 pf lagging. Terminal voltage is fixed at 600 volts. Synchronous reactance is Xd is 15 ohms. Initial current Ia is 20 amps at 30 degrees lagging. Here is part of what was assumed that you would know. Vt is not changing. Ei = Vt + j Ia Xd The control knob for the field current, If controls directly the magnitude of Ei. If the knob is moved from 1.00 to 1.45, then the magnitude...
Accuracy is important. Do not round intermediates and check the answer range to make sure you...
Accuracy is important. Do not round intermediates and check the
answer range to make sure you are correct.
Values:
[01] 2.08 [02]
68.47 [03] 0.239 [04] 1173.7 [05] 1403. [06] 53.8
THE CORRECT ANSWERS WILL BE IN THE FOLLOWING RANGES:
8-1a. 140, 220 Hz
8-1b. 40:0, 62:0 mA
8-2a. 70:0, 99:0 V
8-2b. 140:0, 160:0 V
8-2c. 60:0, 99:0 V
8-2d. 60:0, 90:0 V
8-3a. 40:0; 99:0 pF
8-3b. 100; 400 mV
8-3c. 1:00; 3:00 mV
8-4a. 100; 150 V...
solve no: 3.14 , 3.16, 3.19 please show each step and solve for beginners 120 Power...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
I can't attach the data due to the file being real large i can email it...
I can't attach the data due to the file being real large i can email it to you so i can have your help on it # Assignment 1 # R Programming Language # ---- Why do Exploratory Data Analysis (EDA)? ---- # We will be looking at ## identifying outliers ## null values ## generating plots ## examining correlations # -------------------------------------------------------------- # In this video we will cover: ## univariate plots for continuous variables (boxlots, historgrams) ## bivariate plots...
2) A 480 V, 60 Hz, 400 hp 0.8 PF-lagging eight-pole A-connected synchronous motor has a synchronous reactance of 0.6 and negligible armature resistance. Ignore the mechanical and core losses. The magnitude of the internal machine voltage is 480 V when the field current is 4 A. Assume magnetic linearity. Initially, the motor operates at the rated conditions. a) Find the speed of this motor. b) Find the armature and field currents. c) What is the developed torque? What is...
Based on the motor nameplate below, when operated at the rated
voltage and current, determine the following:
a. The real power, P, reactive power, Q, and
apparent power, S, used by the motor.
b. Sketch an equivalent circuit to model for
the motor.
c. The efficiency of the motor (calculated from
shaft power/real power in).
d. What value of capacitor would you use to
correct the power factor to 1?
e. Sketch a vector diagram showing the phasor
current in...
ll capace, expressed in oks. They 9. The opposition offered to the non offered to the flow of a C alensis XE. 1. Inductive Reactance 2. Capacitive Reactance 3. Impedance 4. Resistance 10. The opposition offered to the The opposition offered to the flow of an alteratine curenty inductance, expressed in ons. The symbol for characteristic is XL. 1. Inductive Reactance 2. Capacitive Reactance 3. Impedance when a voltage 11. What is the basic unit of capacitance? Example: A capacitor...
Accuracy is important. Do not round intermediates and check the
answer range to make sure you are correct.
Values:
[01] 2.08 [02]
68.47 [03] 0.239 [04] 1173.7 [05] 1403. [06] 53.8
THE CORRECT ANSWERS WILL BE IN THE FOLLOWING RANGES:
8-1a. 140, 220 Hz
8-1b. 40:0, 62:0 mA
8-2a. 70:0, 99:0 V
8-2b. 140:0, 160:0 V
8-2c. 60:0, 99:0 V
8-2d. 60:0, 90:0 V
8-3a. 40:0; 99:0 pF
8-3b. 100; 400 mV
8-3c. 1:00; 3:00 mV
8-4a. 100; 150 V...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
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