Charging Station Solar Powered Charging time trial Design and Implementation of a Solar Powered Charging Power Bank Mobile Phone Battery Capacity Station in Nazareth School of National University Battery life trial Optimized Solar Power System Efficiency
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- Voltage sags due to short circuit and earth faults are the cause for the vast majority of equipment problems. Electronics equipment become more susceptible to voltage sag, hence the companies experience production stoppages. Voltage sag analysis is very complex issue. Based on voltage sag randon factors describe on it.can you please further explain the peak power delivered to r2 portion. thank youDevelopments that could happen in power flushing in the future
- Question 1:a) State why voltage control and cable stranding are necessary in powersystemsb) Briefly explain where and how the following state variables ofa power supply grid are controlled.i) Frequencyii) Active powerili) Reactive poweriv Voltage.There are 144 fuel cells are joined in a series through interconnects.there will be 4 stacks having 36 cell in each stack.these stacks are then oragnised in series and parallel combination to form a single module to deliver required voltage and output power.this SOFCs module then combined with CHP system to get thermal . From this data answer the following questions. a)Calculate voltage losses of module?.this question is very compulsory. b)Electrical efficiency of module? C)Thermal efficiency when module combine with CHP system? D)Combined electrical and thermal efficiency? The input parameters of single cell are given below: Ocv=1.020 Current density=2250mA/cm2 Power density=850mw/cm2 Cell active area= 121cm2 Net power=15kw System fuel utilization=80% Operating temp=550°c Cell voltage=0.8v Power of single cell=103 watt.What is optoisolation?
- Fill in the data for a 16-ampere electric motor, single-phase, no Code letters. a. Branch-circuit protection, non-time-delay fuses: Normal size _____________AMaximum size _____________A Switch size _____________ASwitch size _____________A b. Branch-circuit protection dual-element, time-delay fuses: Normal size _____________AMaximum size _____________A Switch size _____________ASwitch size _____________A c. Branch-circuit protection instant-trip breaker: Normal setting _____________A Maximum setting _____________A d. Branch-circuit protectioninverse time breaker: Normal rating _____________A Maximum rating _____________A e. Branch-circuit conductor size, Type THHN Ampacity _____________A f. Motor overload protection using dual-element time-delay fuses: Maximum size _____________AQ2// Explain the tormy, connocted load, load factor, plant uso fnctor, divorvity factor.The figure below shows the one-line diagram of a four- bus power system. The voltages, the scheduled real power and reactive powers, and the reactances of transmission lines are marked at this one line diagram (The voltages and reactances are in PU referred to 100 MW base. The active power P2 in MW is the last three digits (from right) of your registration number (i.e for the student that has a registration number 202112396, P2 =396). [10] Starting from an estimated voltage at bus 2, bus 3, and bus 4 equals V2 (0) = 1.15<0°, V3 = 1.15 < 0°, V4 1.1< 0°. 1- Specify the type of each bus and known & unknown quantities at each bus. 2- Find the elements of the second row of the admittance matrix (i.e. [Y21 Y22 Y23 Y24]). 3- Using Gauss-Siedal fınd the voltage at bus 2 after the first iteration. 4- Using Newton-Raphson, calculate: |- The value of real power (P2), at bus 2 after the first iteration. Il- The second element in the first row of the Jacobian matrix after the first iteration. 2 P2…