Dan Windmar Background Some TSOs have put as a requirement that - - PowerPoint PPT Presentation

▶
dan windmar background
SMART_READER_LITE
LIVE PREVIEW

Dan Windmar Background Some TSOs have put as a requirement that - - PowerPoint PPT Presentation

Aug 22, 2023 233 likes •343 views

Trends & Demands from TSOs Driving New Investment in High Voltage Laboratories Dan Windmar Background Some TSOs have put as a requirement that type testing of a specific product should be done in one laboratory or under the

slide-1
SLIDE 1

Trends & Demands from TSOs Driving New Investment in High Voltage Laboratories

Dan Windmar

slide-2
SLIDE 2

Background

  • Some TSOs have put as a requirement

that type testing of a specific product should be done in one laboratory or under the surveillance of one laboratory.

  • Another factor is that the requirements

in the standards today are not stringent enough compared to the experience from service.

  • Also some TSOs want to qualify

products thus performing the tests either together with the suppliers or without them

slide-3
SLIDE 3

Investments based on increased requirements

  • Ca 10 years ago an investment was

made in a site for long term testing of equipment for UHV

  • 2011 a new high voltage test hall was

inaugurated which primarily function is type testing of HV AC and DC cables

  • In 2015 further investments were

made in more test facilities, also primarily for testing of HV cables

slide-4
SLIDE 4

Prequalification testing of DC Cable systems

  • Testing for four German TSOs
  • 525 kV DC cable tested at 761 kV

DC for one year

  • Cable should see similar stress as

in service

  • Switching impulses superimposed
  • n DC should be performed on

the complete cable system

4

slide-5
SLIDE 5

Increased need for cable testing

  • The test hall is fully equipped in
  • rder to be able to test high

voltage equipment with system voltages up to 500 kV. The investment consisted of a high voltage hall, 600 kV resonance transformer and a 2 MV, 200 kJ, impulse generator.

5

slide-6
SLIDE 6

Requirements on testing in one laboratory

  • Bending test on cable
  • Material testing

6

slide-7
SLIDE 7
  • The increased need for cables in the

transmission systems pushes the need for further investments in PQ testing

7

New test site for PQ testing of AC cables

slide-8
SLIDE 8

Requirements on testing of bushings

  • Cantilever tests
  • Increased need for

higher and higher AC and DC currents in temperature rise tests

8

slide-9
SLIDE 9

Summary

  • Changing market pushes the need for investments

and other measures

  • It is clear that the development on the market will

continue to push further development and investments in new test equipment, test labs and test methods

9