ABB ACS 6000 multidrive provides speed control for wind turbine test benches Manual
Contents
1. test bench the nacelle test bench and the generator test bench It has one Active Rectifier Unit ARU rated at 9 MVA and four Inverter Units INUs rated at 9 MVA each ACS 6000 Diagram showing the configurations of the test benches 2 Case note ABB drives for CENER Spain Power train test bench A gearbox is one of the most sensitive parts of a wind turbine Gearboxes and bearings on the low speed shaft are subjected to HALT in the power train test bench In addition functional and load tests are performed on brakes and brake pads of the high speed shaft and the mechanical parts of the wind turbine generator drive train To simulate the equipments lifespan INU 1 of the ACS 6000 drives the motor of the test bench while INU 2 acts as a load Thus the stress on the gearbox subjected to test is increased by a multiple simulating 25 years of operation in only nine months Nacelle test bench The nacelle test bench performs functional tests of the complete nacelle against a power electronics grid load Due to the ACS 6000 multidrive configuration CENER has two identical nacelle test set ups and is able to run two tests of the complete nacelle including gearbox generator and power electronics simultaneously INU 1 of the ACS 6000 controls the motor that runs one nacelle test bench while INU 3 controls the motor that runs the other nacelle test bench CENER is also able to perform 50 Hz and 60 Hz wind turbine tests INU2. 4 of the ACS 6000 acts as network simulator which generates the required frequency to the power electronics of the test equipment and absorbs the electrical energy back into the multidrive Generator test bench The generator test bench performs functional tests overspeed tests heat load tests acceleration deceleration winding PM fatigue test and HALT on the generator and the power electronics and simulates electrical transient voltage dips and transient surges The motor of the generator test bench is controlled by INU 3 of the ACS 6000 ABB motor at one of CENER s test benches ACS 6000 for demanding applications The ACS 6000 is a modular medium voltage drive designed ACS 6000 key data for the most demanding single and multi drive applications It Inverter type _Three level Voltage Source Inverter VSI is available with several Inverter modules 8 5 7 9 and 11 MVA Converter cooling Watercooling for induction and synchronous motors The optimum configura Power range 8 27 MW water cooling tion for every specific application can be reached by combining Output voltage 3 0 3 3kV optional 2 3 kV PE S E E unin wi werorecin a n i a S ee a E eterno sleet ic ais E eenarer a oe a a DC bus enabling multidrive operation with only one DC bus permanent magnet motor supply rectifier The common DC bus system allows motoring Special feature Available as single or multidrive and generating power flow be
3. g edge technological infrastructure with the most modern laboratories and facilities in Europe Its Wind Turbine Test Laboratory LEA is the only infrastructure of this kind in the world LEA has six test centers including a blade test laboratory a power train test laboratory to test multi megawatt wind turbines and a composite materials and processes laboratory It also has a 830 MW experimental wind farm where field tests are conducted Power train test laboratory LEA s power train test laboratory features a series of test benches including a power train test bench a generator and converter test bench a nacelle test bench and a nacelle assembly bank The facilities are used to conduct highly accelerated life tests HALT and functional tests on mechanical and electrical equipment Challenge In the power train test laboratory wind turbines are exposed to demanding HALITs The tests which run 24 hours each day for periods of up to nine months simulate the equipment s 25 year life expectancy The test laboratory provides the infrastructure to perform complete 50 Hz and 60 Hz wind turbine tests Solution ABB supplied the following equipment to the test laboratory one 8 MVA and two 10 MVA transformers one 6 MW and two 8 MW induction motors and one 36 MVA ACS 6000 variable speed multidrive including PLC control for simulating different wind conditions The ACS 6000 multidrive controls the three motors of the power train
4. ource CENERs p po The power train test bench in CENER s wind test laboratory is controlled by ABB s ACS 6000 variable speed drive spain s National Renewable Energy Cen ter CENER has one of the world s most modern wind turbine test laboratories ABB s ACS 6000 multidrive with a total rated power of 36 MVA controls the power train and generator and nacelle test benches in the power train test la boratory where wind turbines and wind turbine components are exposed to highly accelerated tests Highlights One ACS 6000 multidrive controls the motors of three tesi benches nnn ABB s AC 800PEC modular controller running the 800xA Control Builder is used to model different wind conditions The ACS 6000 enables 50 Hz and 60 Hz wind turbine tests with the same testing Infrastructure Several tests of wind turbines and wind turbine components can be run simultaneously CENER The National Renewable Energy Center CENER located in Sanguesa Navarre Spain is an internationally recognized tech nology center specializing in applied research development and promotion of renewable energies The center provides services to and performs research work in wind energy solar thermal energy photovoltaic solar energy biomass energy bioclimatic architecture and renewable energy grid integration AA ED ED FrN EDID Power and productivity for a better world Wind turbine test laboratory CENER has a cuttin
5. tween the inverters through the DC bus At the heart of the ACS 6000 is a motor control platform Direct Torque Control DTC DTC results in the highest torque and speed performance ever achieved with variable speed drives making it possible to control the full torque within a few milliseconds eliminating possible resonance problems and reducing the impact of load shocks The high static and dynamic accuracy guarantees that control of the drive is immediate and smooth under all conditions and in full four quadrant operation an Z _ ACS 6000 multidrive with a total rated power of 36 MVA controlling the test benches at CENER ABB drives for CENER Spain Case note 3 For more information please contact www abb com drives www cener com Power and productivity for a better world Copyright 2010 ABB All rights reserved Specifications subject to change without notice 3BHT490710R0001 AA ED ED FAILED
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ABB ACS 6000 multidrive provides speed control for wind turbine test benches Manual