16. The primary purposes of insulation shielding are to confine voltage stresses to the ?, dissipate insulation leakage current, drain off capacitive current, and carry ground fault current to facilitate operation of the ground- fault protective devices. Oa. cable outer sheath Ob. circuit Oc. conductor Od. insulation

16. The primary purposes of insulation shielding are to confine voltage stresses to the ?, dissipate insulation leakage current, drain off capacitive current, and carry ground fault current to facilitate operation of the ground- fault protective devices. Oa. cable outer sheath Ob. circuit Oc. conductor Od. insulation

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...

See similar textbooks

Similar questions

Building Service Subject
A circuit breaker is rated as 132 KV, 4000 MVA. What will be the Asymmetrical breaking current capacity if DC component is assumed to be 70% ?
For grounded systems, the _ for the service and the system bonding jumper for separately derived systems provides the critical link between the equipment grounding conductor and the grounded system conductor. A.main bonding jumper B.Service transformer C. Current transformer D. Grounding electrode
subject : Electrical engineering
19. What size copper bonding jumper must be used in an AC electrical system that has 500 kcmil copper phase conductors? A. 4/0 B. 1/0 C. 2/0 D. 3/0 20. A neutral disconnect link is usually in the form of a _______ in larger service equipment. A. screwB. wireC. clamp D. busbar
Discuss the concept of an Electrical fault. How can we prevent such catastrophic incidentfor such fault in an electrical system?
This is done to ensure that no potential difference can appear between any of exposed metal parts of electrical and non-electrical installations under fault conditions. a. Earthing & Bonding b. Bonding only c. Earthing only d. Either bonding or earthing
Answer all the questions 1. Draw a 6-stage cascaded voltage multiplier circuit for high voltage DC generation and explain the working principle. 2. Compare the properties of Solid insulators and liquid dielectrics? 3. Define Basic Insulation Level (BIL) in power systems and Explain the voltage - time relationship with the curve in insulation coordination. 4. What are the three protective methods for surges, explain one method. 5. What are the different types of surge diverters and explain any two methods? 6. A 12-stage impulse voltage generator has a total generator capacitance of C1. The wave front resistance equal to 15000 2 and load capacitance of 2500pF. The wave tail resistance is 30 times of wave front resistance and if rise time is 1.5 µs. Calculate (i) the value of each capacitor of the generator and (ii) the tail time of the impulse wave?
The current zero interruption, in oil and air blast circuit breakers, is achieved by a. Lengthening of the gap b. Cooling and blast effect c. Deionizing the oil with forced air d. Both Lengthening of the gap and Cooling and blast effect
Need all detailed information and answers. What are three main reasons to install grounds and bonds on an isolated circuit before work is started? When using protective grounds, does the application of the grounding principle control current or voltage? Does all the current in a grounded conductor take the easiest path to earth? What is the bonding principle? When removing protective grounds on an isolated circuit, which set of grounds is more likely to create an arc, the first set or the second set?
12 - Due to the effect of the resistance of the cable connected to RTD, two-wire cables up to ……. meters and three-wire cables up to ……... meters are used in standard designs. A) 10-150B) 40-500C) 50-195D) 30-230E) 200-1000
Ground fault protection of - equipment shall be provided for solidly grounded wye electrical services of more than 150 volts to ground, but not exceeding 1000V phase - to - phase for each service disconnecting means rated A. 1000 B. 1500 C. 2000 D. 2500 amperes or more.