Design, Installation & Operation of Pipe-Type Cable Systems

INDUSTRY NEED

Pipe-type cable systems may be buried, but they are not dead! They have a long, reliable history and continued to be installed today even as XLPE cables gain popularity. The unique as-pects of pipe-type cable systems require special considerations, and many utilities have lost the senior level experience necessary to design, op-erate and maintain these systems. This 2-day course focuses on the design, ampacity, specifications, installation, uprating, maintenance practices, dielectric fluid-handling systems, and life evaluations of both high-pressure gas-filled (HPGF) cables and high-pressure fluid-filled (HPFF) cables. 

The course "jumps in" to pipe-type cable topics.  Students wishing to gain a broad background on cable systems and additional details about pipe-type cables are encouraged to take the 3-day, Underground Cable Systems Principles & Practices course that is held earlier in the week in conjunction with attending the pipe-type cable course.


COURSE OBJECTIVE AND SUMMARY

The course will explain the unique aspects of pipe-type cables as compared to other cable types and then discuss various topics regarding the reliable operation of these systems including cathodic protection systems, pumping plant requirements, dissolved gas analysis (DGA), cable ampacity, uprating methods using fluid circulation and forced-cooling, and several other topics relevant to pipe cables.

Expected Learning Objectives / Outcomes

PDC has identified learning objectives we expect each student to obtain on completion of this course.  The student completing this course should be able to:

  1. Understand the major transmission cable types and how the others differ from pipe-type cables.
  2. Understand the basic steps in pipe-type cable design and installation.
  3. Describe the importance and basic operation of a pressurization plant for pipe-type cable.
  4. Understand the impact of electrical and hydraulic failures on pipe-type cable operation.

WHO SHOULD ATTEND

This course will be valuable to engineers and field personnel responsible for planning, designing, operating, or maintaining pipe-type cable circuits.


PREREQUISITES

An engineering degree is helpful but is not required for this course.


Course Outline

Day 1 

8:00am-8:30am

Industry overview:  history, suppliers, users, contractors  

8:30am-10:00am

Components, materials.  Copper vs. aluminum, Kraft paper vs. PPP, dielectric fluids – liquids, N2, SF6, pipe sizes/coatings, etc.  

10:00am-10:15am

Break

 

10:15am-12:00pm

Engineering Design Requirements:  impedances, ampacity calculations, pulling tensions, hydraulic calculations  

12:00pm-1:00pm

Lunch

 

1:00pm-2:30pm

Pipe-type cable specifications and standards

2:30pm-2:45pm

Break

 

2:45pm-3:15pm

Manufacturing and quality control

 

3:15pm-4:30pm

Accessories:  splices/manholes, terminations, cathodic protection  

4:30pm

Discussion, questions

 

 

Day 2

8:00am-10:00am

Installation; civil work; pipe welding and testing, special backfills, vacuum and pressure test levels. 

Trenchless Installations  

10:00am-10:15am

Break

 

10:15am-11:00am

 

Cable installation:  special equipment;  pulling, night caps, splicing, terminations, evacuation, fluid filling

11:00am-12:00pm Hydraulic system; design principles, details, installation, operation.  Cooling Systems

12:00am-1:00pm

Lunch  

1:00pm-3:00pm

 

Electrical and hydraulic failures; effects, location, repair

Operation and Maintenance

3:00pm-4:30pm

(Including Break)

Leak Detection / Location, Temperature Monitoring, Uprating, Dynamic Rating; the future of HPFF cable systems  

4:30pm

Adjourn

 

 


Arrangements

This course will be held at the:

Alden Beach Resort
5900 Gulf Boulevard
St. Pete Beach, FL 33706

A block of rooms has been reserved at the hotel at a special rate which will be honored for several days before and after the course.  Reservations must be  made 30 days in advance to obtain this low rate.   Please mention the PDC Ampacity Course when you make reservations.  The hotel is on the Gulf of Mexico, near many restaurants, etc.


Instructors:

Jay Williams worked at Con Edison from 1965 until 1973, and was in charge of Con Ed’s transmission cable group.  He was manager of the Power Technologies, Inc. Underground Cable Systems unit when he left in 1992 to found Power Delivery Consultants, Inc. with another cable specialist, John Cooper.  As Principal Engineer at PDC, he has been responsible for many transmission cable projects, both pipe-type and extruded-dielectric.  He had developed and taught many courses on transmission cable systems, and has written more than 50 articles and book sections on the subject.  


Continuing Education Units

PDC is a Continuing Education Provider in the State of Florida (#CEP00180) and will issue students a course certificate indicating the number of Continuing Education Units for the course completed based on national guidelines and the number of classroom hours.  1.2 Continuing Education Units (CEUs) will be awarded for successful completion of this course.  The CEU is the nationally recognized unit for recording participation in noncredit educational programs.  One CEU is equal to ten classroom hours.


Tuition and Enrollment:

The tuition covers the cost for this two-day course and includes extensive course notes, continental breakfast and lunch.  Each participant will be furnished a bound set of notes.  Included will be an extensive bibliography and selected technical papers.   Lodging, transportation, and other meals are not included. 


For comments or questions on this web site, please contact the PDC webmaster.
Copyright 2009 - Power Delivery Consultants, Inc.