Summary of problem • 3000 kW @ 11 kV AC is required • Each PV module produces 400 W DC ement of problem This requires 7500 PV modules • The resistance presented to the modules must be controlled so that they operate at the Maximum Power Point • How should they be connected? ● PV string cables PV string cables PV string overcurrent protection INSTRING String combiner box PV string overcurrent protection IN STRING C String combiner box PV string disconnectors PV sub-array overcurrent protection IN SUB ARRAY #1 - IN SUB ARRAY 2 30 Sub array combiner box PV sub-array cables PV sub-array disconnectors PV array cables = PV array switch disconnector

Summary of problem • 3000 kW @ 11 kV AC is required • Each PV module produces 400 W DC ement of problem This requires 7500 PV modules • The resistance presented to the modules must be controlled so that they operate at the Maximum Power Point • How should they be connected? ● PV string cables PV string cables PV string overcurrent protection INSTRING String combiner box PV string overcurrent protection IN STRING C String combiner box PV string disconnectors PV sub-array overcurrent protection IN SUB ARRAY #1 - IN SUB ARRAY 2 30 Sub array combiner box PV sub-array cables PV sub-array disconnectors PV array cables = PV array switch disconnector

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A single phase transformer is rated at 136 kVA, 2,424 V / 206 V, 60 Hz. The equivalent circuit parameters (see figure) are R1=0.25 ohms, X1=0.44 ohms, R2=4 milli-ohms, X2-4 milli-ohms, the core loss resistor Re=13 k-ohms, magnetizing inductance Xm=2.08 k-ohms. Using the circuit referred to the primary (HV side), Find the efficiency when supplying rated load at PF =0.6 lagging. Input your answer in % R2 a :1 E,S E V2 VI Re Xm
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