NALFWind optimized solution for wind farm switching and protection
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1 Tomasz Komalski GPMM Indoor Switches and Fuses, 2016 NALFWind optimized solution for wind farm switching and protection April 1, 2016 Slide 1
2 Market data for wind farms Global Wind Market Global wind market Onshore vs Offsore. April 1, 2016 Slide 2
3 Market data for wind farms Global Wind MW installed April 1, 2016 Slide 3 Source : Emerging Energy Research
4 Market data for wind farms Global Wind Farms Market Structure April 1, 2016 Slide 4 Source : GWEC (Global Wind Energy Council)
5 Market data for wind farms Global Wind MW farm size April 1, 2016 Slide 5 Source : EWEA (European Wind Energy Association)
6 Market data for wind farms EWEA Wind Farms Onshore vs Offshore April 1, 2016 Slide 6 Source : EWEA (European Wind Energy Association)
7 Market data for wind farms EWEA Wind Farms Facts How big is a wind turbine? The average size of onshore turbines being manufactured today is around MW. One 2.5 MW onshore turbine produces power for over 1,500 average EU households. The largest onshore turbine is a 7 MW turbine with a rotor diameter of 127 m. Offshore turbines currently reach just over to 6 MW with a rotor diameter of 120 metres longer than a football field and powering around 5,500 average EU households. April 1, 2016 Slide 7 Source : EWEA (European Wind Energy Association)
8 Wind farm application NALFWind and CEF-S-TCU for wind farms April 1, 2016 Slide 8
9 Wind farm application NALFWind &CEF-S Fast acting current limiting fuses High performing switch-fuse combination April 1, 2016 Slide 9
10 Wind farm application CEF-S fuse technical data Major technical parameters: Rated voltage 30/40,5kV Rated current 6,3-63 A Breaking current 20 ka Very low power losses especially suitable for application in RMU Superior time current characteristic improving transformer protection level Latest IEC standard type tested : IEC : 2002; IEC April 1, 2016 Slide 10
11 Wind farm application NALFWind technical data Major technical parameters: TD Itransfer 700 A; 36kV Rated normal current - 200A; 36kV; 20 CO (for switch - disconnector) Rated normal current with fuses - 63A ; 36 kv Rated short circuit breaking current 31,5kA; 36kV (CEF-S 63A) Rated short -circuit making current - 79kA(peak) (CEF- S 63A) Frequency withstand voltage - 80 / 88 kv Lightning impulse withstand voltage -170 / 195 kv Mechanical class M1 Earthing switch with making capacity up to 40 ka Latest IEC standard type tested : IEC : 2002; IEC :2011; IEC :2007 April 1, 2016 Slide 11
12 Wind farm application NALFWind technical data Line voltage (kv) Transformer rating (kva) Fuse-link rating In (A) 30 6,3* 6,3* 6,3* 6,3* 6, ,3* 6,3* 6,3* 6,3* 6,3 6, ,5 6,3* 6,3* 6,3* 6,3* 6,3* 6, ,5 6,3* 6,3* 6,3* 6,3* 6,3* 6, Max. gg fuse-link at LV side (A) The table was calculated according to standards IEC and IEC The following transformer work conditions were assumed: - Maximum long-lasting transformer overload - 120%, - Magnetizing inrush current for transformers up and including 630kVA - 12 x In during 100ms, - Magnetizing inrush current for transformers above 630kVA - 10 x In during 100ms, - Standard ambient working conditions of fuses, - For ratings marked with "*" transformer maximum short-circuit current at LV side is below fuse-link minimum breaking current I3. The table above details the rated current of a particular fuse-link for a given line voltage and transformer rating. For different criteria, the fuse selection must be recalculated. April 1, 2016 Slide 12
13 Wind farm application NALFWind highlights New indoor air insulated switch-fuse combination with integrated earthing switch for transformer protection (up to 3 MVA at 36 kv) Completely new patented interruption system Safety: Made to IEC standards (IEC 62271) smart design (without piston system), corrosion protected, visible break Reliability: Stringent testing of each unit, high and unique (in air insulation) interrupting capacity Performance: best protecting and breaking solution for transformer protections with air insulation technology Smart integration: Modular construction, easy installation, partly based on NAL switch s tested parts, common accessories with NAL Smart Grid ready: integration with ABB Gateways and wireless controllers for GPRS/EDGE communication via SCADA. Control and monitoring functionality with two way communication through the implementation of the IEC protocol. April 1, 2016 Slide 13
14 Wind farm application NALFWind technical data April 1, 2016 Slide 14
15 Wind farm application Smart grid NALFWind REC 601 (603) plus RER 601 (603) Gateways Complete controller for one (up to 3 objects disconnectors REC 603) including: 2 (6) digital outputs for disconnector control 5 (15) digital inputs for disconnector monitoring Battery charger with temperature compensation Battery monitoring Battery deep discharge protection Current measurement and overcurrent protection for one disconnector motor 4-20 ma input (REC 603) Heater control output IEC compatible control of all IO April 1, 2016 Slide 15
16 Wind farm application-typical technical ratings Typical application scheme April 1, 2016 Slide 16
17 Wind farm application CSS related concepts NALFWind 36 April 1, 2016 Slide 17
18 Wind farm application CSS related concepts Protection by breaker require: Breaker Relay CT Disconnector or withdrawable breaker Earthing switch (optional) Protection by switch-fuse combination require: Switch-fuse combination with current limiting fuses Earthing switch (optional) The cost for switch disconnector may be even 1/3 of breaker in typical wind farm installation April 1, 2016 Slide 18
19 Wind farm applications NALFWind & CEF-S All onshore projects with 36 kv CSS MV components requesting load break switch and switch-fuse combination All CSS projects for protection of transformers up to 3000 kva at 36 kv Current limiting fuses 30/40,5 kv wind application requiring fast reaction for overload currents (feature supported by CEF-S superior time current characteristic) Air insulated installations Possible application inside primary panels for 30/36 kv operating range Wall mounted application in kiosks Industry, mining, wind power plants And many more.. April 1, 2016 Slide 19
20 Wind farm application NALFWind highlights The only recognized switch-fuse combination in air insulation, capable for protecting 3 MVA TRANSFORMER UNITS with integrated earthing switch with making capability and type tested according to latest edition of relevant IEC standards A safe and also very cost-effective solution for the wind industry Perfect offer for CSS manufacturers with possibility for creation high local value added Designed for CSS Wind Farms applicable onshore Product name protected by TM on global market April 1, 2016 Slide 20
21 April 1, 2016 Slide 21
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