Slide 1: HVDC Electricity Grids – Mersen Offer
HVDC ELECTRICITY GRIDS MERSEN OFFER Feb 2017
Slide 2: Classification of Smart Power Distribution Systems
CLASSIFICATION OF SMART POWER DISTRIBUTION SYSTEMS HVDC AND FACTS: BETTER POWER MANAGEMENT AND LONG DISTANCE TRANSMISSION Smart Power Distribution DC AC Power Transmission HVDC FACTS Technology: Power LCC VSC SVC STATCOM Conversion HVDC standard HVDC light™ or plus™ TCSC SVC light Technologies: Semi
Slide 3: HVDC in a Nutshell – Mersen Offer
HVDC IN A NUTSHELL – MERSEN OFFER VSC Technology LCC “HVDC light” or “HVDC Plus” or “Flexible HVDC” “HVDC Standard” 2- or 3-level Multi-level MMC Semiconductor Thyristor IGBT IGBT technology Power module Press-pack Press-pack Flat package Cooling Busbar N/A N/A Fuse N/A N/A 3 Mersen offer in HVDC –
Slide 4: HVDC Converters: Mersen Cooling
HVDC CONVERTERS: MERSEN COOLING LCC CONVERTER Water cooling system is needed to dissipate the losses of the LCC thyristor modules. Water cooled double-sided plates are used. Each cooling plate has to dissipate about 2kW. E.g. 2GW LCC installation: 3,360 double-sided water cooling plates. V
Slide 5: HVDC Converters: Mersen Busbar
HVDC CONVERTERS: MERSEN BUSBAR LCC & VSC 2-LEVEL CONVERTER No busbar VSC MMC CONVERTER Laminated Busbar to connect IGBT power modules together with capacitor bank. 1 busbar / submodule Source: Alstom GE Grid 5 Mersen offer in HVDC – Feb 2017
Slide 6: HVDC Converters: Mersen Fuses
HVDC CONVERTERS: MERSEN FUSES LCC & VSC 2-LEVEL CONVERTER No fuse VSC MMC CONVERTER 2 low-rating fuse for auxiliary PCB protection (gate driver board, and other functions) Source: Alstom GE Grid 2 to 4 main fuses for IGBT modules protection 6 Mersen offer in HVDC – Feb 2017
Slide 7: Summary: Mersen Offer in HVDC-LCC or -VSC 2-Level System
SUMMARY : MERSEN OFFER IN HVDC-LCC OR -VSC 2-LEVEL SYSTEM Cooling plates ~3,500 plates / installation 20 modules / valve LCC IGBT or Thyristor chips IGBT module (StakPak™) VSC 2-level 20 modules / valve Thyristor press-pack Standard IGBT valve made of 20 modules Source: ABB Power Systems 50 to 90kV
Slide 8: Summary: Mersen Offer in HVDC-VSC MMC Sub-Module
SUMMARY : MERSEN OFFER IN HVDC-VSC MMC SUB-MODULE Fuse for IGBT or capacitor bank main protection Typ: C6 4,000 V / ~1,600 amp 2 or 4 fuses / sub-module Water-cooling 1 plate / sub-module IGBT chip IGBT module Fuse for auxiliary PCB protection Typ: Cylindrical Special GE/Alstom Grid (20x190mm) 4,000