0
Actually surge impedance is present in a transmission line due to the capacitance of transmission line. Now this capacitor attends the reactive power of the transmission line to energise its magnetic flux. now due to the flux the impedance will increase and the power is reactive too. due to the impedance loss is more.
What else can I help you with?
What is surge capacitor and how it will works?
A surge capacitor is used to mitigate (minimize) voltage surges. Capacitor impedance can be modeled as 1/jwC, j = i = imaginary value used in vectors, w is the frequency, and C is the capacitance. A fairly small capacitor on the input to a power supplying circuit will have a large impedance, and so will impact the circuit operation very little due to the low power frequency. Surges are high frequency. When a surge occurs, the capacitor impedance appears much smaller to the high frequency surge, effectively shunting the surge energy to ground; this minimizes the surge with respect to the protected circuitry.
Can a power surge make a air conditioner unit go out?
Yes, a power surge can cause an air conditioner unit to malfunction or fail. The sudden increase in voltage can damage the unit's electrical components, such as the compressor or circuit board. It's advisable to use surge protectors to safeguard HVAC systems against such events. Regular maintenance can also help mitigate the risk of damage from power surges.
What charectristics an electric circuit exhibit under max power transfer condition?
Max power transfer takes place when the total load impedance is equal to the source (power supply) internal impedance.
What are the advantages of Transformer coupling method?
transformer coupling ensures maximum power transfer is obtained even if the output impedance is not equal to the load impedance
Why is energy lost in power transmission lines?
Increase the voltage in the lines.
What is surge capacitor and how it will works?
A surge capacitor is used to mitigate (minimize) voltage surges. Capacitor impedance can be modeled as 1/jwC, j = i = imaginary value used in vectors, w is the frequency, and C is the capacitance. A fairly small capacitor on the input to a power supplying circuit will have a large impedance, and so will impact the circuit operation very little due to the low power frequency. Surges are high frequency. When a surge occurs, the capacitor impedance appears much smaller to the high frequency surge, effectively shunting the surge energy to ground; this minimizes the surge with respect to the protected circuitry.
What is surge impedence?
Usually associated with switching power supply when dormant to active the input impedance can change dramatically until-operating normally
How to distinguish between characteristic impedance and input impedance?
The characteristic impedance or surge impedance belongs to uniform transmission lines.In electronic gears we use voltage bridging, that is a relative low output impedance to a higher input impedance. Usualy the input impedance is more than ten times higher then the output impedance.An input impedance is called also a load impedance or an external impedance.An output impedance is called also a source impedance or an internal impedance.
How does surge impedance effect on transmittion line?
The SIL=(KV LL / Zo), where the V(LL) is the receiving end voltage in kV and Zo is the surge impedance in ohms. when the line is loaded over its SIL, it behaves like a shunt reactor - absorbing Mvar from the system, and when is loaded less its SIL it behaves like a shunt capacitor, supply Mvar back to the system. So to increase the Surge Impedance Loading (SIL), we need to decrease the the surge impedance of the line, and that can be done by introducing series capacitors (capacitors in series with the transmission line) or shunt capacitors (capacitors in parallel with transmission lines), which means providing Mvar to the system and reducing the Mw. hopefully that helps
What is the difference between spike and surge in electrical systems?
Surge suppressor, as name suggests suppresses and regulates the voltage and makes the power constant in a case of a spike or surge. While a protector simply detects the surge and turns the unit off. Suppressor is good for things like computers, where you don't want to keep turning on and off.
What is meant by apparent impedance?
You may be mixing up 'impedance' with 'apparent power'.Impedance is the vector sum of an a.c. load's resistance and reactance, and is expressed in ohms. Apparent power is the vector sum of true power and reactive power, and is expressed in volt amperes.Apparent power is also the product of the square of the load current and the impedance of the load.
Another name for power surge?
Staying power is another term that can be used in place of power surge.
What is the present tense of the word surge?
'Surge' is the present tense. 'There is a power surge!' Past tense 'Surged'. 'The power surged and caused a black-out.' future tense 'will surge.'
What are the methods to improve the surge impedance loading of transmission lines?
By increasing Vr,Reducing in series inductance,increase capacitance
When was Power Surge - water ride - created?
Power Surge - water ride - was created in 1992.
Can a power surge make a air conditioner unit go out?
Yes, a power surge can cause an air conditioner unit to malfunction or fail. The sudden increase in voltage can damage the unit's electrical components, such as the compressor or circuit board. It's advisable to use surge protectors to safeguard HVAC systems against such events. Regular maintenance can also help mitigate the risk of damage from power surges.
How does the coil of wire wrap around the iron core works as a surge suppressor?
A coil of wire wrapped around an iron core forms an inductor. In AC systems, an inductor's impedance appears equivalent to j*w*L (j = i = imaginary number, w = omega = frequency in radians, L = inductance). A surge is inherently high frequency. Here's an example to help explain why this acts as a surge supressor: Say I have a 10mH surge supressing inductor. My device uses 1 amp of current at 120 volts, so its' resistance is 120 ohms. Under normal operation (60 Hz), the inductor's impedance appears as (j*2*pi*60*10/1,000) 3.8 ohms. Voltage to my device is ~120 volts, and voltage dropped (or "supressed") is (3.8 / (120 + 3.8) * 120 ) = 3.7 volts. My device is only seeing 116.3 volts with this inductor in place, but that's not enough of a dip to hurt its' operation. A power surge hits this device. This power surge is at a frequency of 50kHz, and a voltage of 80v (an overvoltage to my device of 120 + 80 = 200 volts). The impedance of the inductor "looks like" (j*pi*50,000*10/1,000) 3141 ohms, which is in series with my 120 ohm load. The surge voltage dropped across the inductor is (3141 / (3141+120) * 80) = 77 volts, so my device gets hit with ~3 surge volts (total voltage = 60 Hz voltage of 116.3 + 50kHz voltage of 3 = 119.3 volts).
