HVDC PLUS Power Transmission OWEN Workshop
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1 HVDC PLUS Power Transmission OWEN Workshop
2 Long Distance Cable Transmission Systems $&6\VWHP 9HUVXV '&6\VWHP WRNP 0D[FDEOHOHQJWK 1R/LPLWDWLRQV 5HTXLUHPHQWOHQJWK!NP
3 Frequency Conversion 2Q6KRUH $&6\VWHP +] $&'& &RQYHUWHU &DEOH '&$& &RQYHUWHU 2IIVKRUH $&6\VWHP +] 1RGLUHFW$&&RQQHFWLRQSRVVLEOH $&7UDQVPLVVLRQ '&7UDQVPLVVLRQ
4 Semiconductor Technology Trends for DC Transmission and Power Quality kv 1000 MVDC HVDC PLUS HVDC 100 Masterdrives IGBT IGBT Light Triggered Thyristor Present and midterm, Si-Technology 10 1 IGBT Up to 20 MW IGBT Up to 200 MW Up to 200 MW Up to 100 MW IGBT Up to 3000 MW Up to 600 MW Up to 600 MW MW Longterm Innovation SiC-Technology Long Distance Transmission Sea Cable Transmission Back to Back Converters
5 Analysis of Long Distance Transmission Part 5HTXLUHPHQWV &RQY+9'& +9'& SOXV Connection to a weak or isolated AC system Transmission to an isolated grid (island) Dynamic performance Reactive power demand for commutation Separate active and reactive power control Easy Multi-terminal configuration Smaller Space and Mvar requirement for filters Not possible \HV TXDGU QR TXDGU
6 Advantages of state-on-the-art HVDC plus Technology Connection to a weak or isolated AC system Transmission to an Island No need for active power transmission No require for reactive power load Active and reactive power can be controlled separately Multi-terminal HVDC-System can configured much simpler Smaller Space and Mvar requirement for filters
7 Result &RQVHTXHQFH,*%7EDVHG+9'& SOXV LVWKHRQO\SRVVLEOHVROXWLRQ IRUWKHORQJGLVWDQFHWUDQVPLVVLRQSDUWIRU /RQJ'LVWDQFH/DUJH6FDOH2IIVKRUH:LQGSDUNV SOXVÃ 3RZHU/LQN8QLYHUVDO6\VWHP
8 Statistic of Major Component Outages of Conventional HVDC Transmission Systems (CIGRÉ Study ) 2WKHUV '& (TXLSPHQW $& $X[LOLDU\ (TXLSPHQW &RQWURO 3URWHFWLRQ 9DOYHV
9 Comparison of Availability - HVDC vs. HVDC plus 2WKHUV È '&Ã (TXLSPHQW È $&ÃÉÃ $X[LOLDU\Ã (TXLSPHQW È AC Auxiliary Equipment &RQYHQWLRQDO+9'& AC-Filters, C-banks similar +9'& SOXV GIS, AC- and RI-Filter &RQWUROÃÉÃ 3URWHFWLRQ È 9DOYHV È Valves Thyristor IGBT / Diode Control and Protection similar DC Equipment Reactor, Filter Reactor, Capacitor, Filter Cable similar Converter transformer similar HVDC plus and conv. HVDC systems perform similar!
10 IGBT 3UHVV3DFN,*%733, 1RPLQDO'DWD V DRM 4500 V I crmax ~2400 A &KDUDFWHULVWLFGDWDIRUFRQWLQXRXVRSHUDWLRQ V max 2500 V average I max(ph) 800 A RMS *) *) switching frequency 750 Hz (1000 Hz)
11 IGBT Module 7\SHWHVWRI,*%70RGXOH
12 Valve Technology Series Connection of IGBT IGBT level 1 IGBT level IGBT level 11 IGBT level 12 Module Fibre Optic Fibre Optic Fibre Optic Fibre Optic Fibre Optic 9DOYH0DQDJHPHQW6\VWHP 0DLQ&RQWURO
13 HVDC Transmission System, One 225 MW System 6WDWLRQ$2Q6KRUH 6WDWLRQ%2IIVKRUH U N = 245 kv_ac +145 kv_dc U N = 132 kv_ac -145 kv_dc Converter- Transformer Capacitor Smoothing Reactor AC-Filter RI-Filter Converter DC-Filter Cable
14 Control & Protection Control Design and Testing SIMADYN D Original Hardware Real Time Simulator (TNA) EMTDC Workstation Digital off-line Simulation (EMTDC) 6RIWZDUH'HVLJQXVLQJLGHQWLFDO)XQFWLRQ%ORFNVIRU(07'&DQG6,0$'<1'
15 Onshore - Offshore DC Transmission BP Amoco Design Scenario G, Export / Import 35(/,0,1$5<ÃÃÃ 2QVKRUH6WDWLRQ
16 35(/,0,1$5<ÃÃÃ 2QVKRUH6WDWLRQ&RQYHUWHU&RQWUROURRPV
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18 675 MW Offshore DC/AC-Converter Station OWEN Power Transmission Wokshop Offshore-Windparks and Distribution Division
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