KEB - COMBIVERT R6 - Power Supply and Regenerative System Brochure

MADE IN GERMANYCOMBIVERT R6R6R6Line Regen Systems Up to 1000 kVA2R6R6COMBIVERT R6KEB COMBIVERT R6 - PhilosophySaving energy through regeneration -An environmental contribution that pays o? Contents PagePhilosophy 2Applications 3Functionality 4NCM - Natural Current Modulation 5Technical data 6EMC ? lters / Chokes / Harmonic ? lters 7Addresses 8The kinetic energy of electric drives can be a valuable energy potential. Historically, that kinetic energy was eliminated through friction and/or a mechanical or electric braking device.Regenerative loads are becoming more common due to increased usage of distributed high e? ciency AC drives and servo systems.The same drive controller o? er the possibility of converting the kinetic energy of the mechanical system into stored energy in the DC-circuit. Typically the excess energy is dissipated in a braking resistor as heat. However, in combination with a regenerative unit, it is possible to feed back the energy into the main line power supply.This is particularly useful in all applications where prolonged or continuous downward motion occurs or heat dissipation to the surrounding environment is not wanted.The KEB COMBIVERT R6 regen units are able to supply and feed back energy of single inverters or a common DC-link of several drive controllers. The systems can be designed to match the required power by cascading of several units.3ApplicationsPassenger and freight elevators? replacement of traditional braking resistors? reduced ? re hazard of the system? return on investment through energy savings possible after less than 2 years of operating time? passive Harmonic Filter options to achieve app. 5% TDD and compliance in accordance with IEEE519.Connection of generators to utility system? power quality standards (e.g.: IEEE-519 / THiD < 8 %) can be met with harmonic ? lters - combustion engines - wind energy plants - hydropower plantsEccentric loads? increased e? ciency of variable speed drives with changing kinetic and regenerative load cyclesTheatre technology? no heating of resistors? energy optimization? low-noise braking operationLifting and conveyor / Storage retrieval systems? DC-interconnected operation of multiple drives support energy sharing? return of peak energy into the main line power supply? no additional heat sourcesTest branches and test systems? permanent regeneration of energy? can be cascaded for large loadsCentrifuges? regenerative braking of high centrifugal masses? utilization of kinetic energy? increased productivity due to short start-up and run-down timesBene? ts? Easy replacement for braking resistors? Usable for all common supply voltages of 180 ... 528 V AC, 50/60 Hz? Compatible with all typical DC - powered drive controller? Integrated pre-charging circuit? Compact and lightweight devices? Wide power range up to 1.000 kVA ? Cascadable power parts? Optional choke or harmonic ? lter? Reduced ? re risk in sensitive areas? Energy meter for the validated savings? freely con? gurable inputs and outputs? Various ? eld bus interfaces available by operator4L3L2L1L3L2L1R6 DriveControllerR6 DriveControllerSimpli? ed diagram with commutation chokeSimpli? ed diagram with harmonic ? lterWith KEB COMBILINE harmonic ? lters, the R6 - System generates sinusoidal current at the main line power supply.Functionality COMBIVERT R6 - Simpli? ed diagramThe KEB COMBIVERT R6 units can regenerate energy of drive controllers back to the main line power supply. Also energy for the motor operation is supplied to single drive controllers or as a common DC-link of several inverters.In supply mode the COMBIVERT R6 precharges the DC-link and acts like a typical B6 recti? er. The DC-link voltage corresponds to the recti? ed AC supply voltage.In case of energy is fed into the DC-link by one or several drives in deceleration or braking operation, the regen unit will feed back this energy back to the main line AC power supply. The energy is provided to all other consumers on the grid.Depending on the system design either standard chokes or harmonic ? lters can be used to improve the THDi (lower harmonics).With standard KEB COMBILINE main chokes all industrial requirements are ful? lled (block shaped regeneration). Using the KEB COMBILINE Harmonic Filters will result in nearby sinusoidal current waveform for supplying and regenerating energy (THDi typ. < 8%)5NCM – Natural Current ModulationCurrent with main chokeVoltage Current with harmonic ? lterVoltage / Current diagram for regenerative operation with R6-NCMNext to the established control version R6-S the modulation scheme was improved with the “Natural Current Modulation”. This new R6-NCM technology is available with the new control Type, called “N-version”The Natural Current Modulation principle emulates the current waveform of a typical B6 recti? er system also in regeneration mode. This results in a much smoother commutation and an additional synchronization module (as used with R6-S) is no longer required.The essentially advantages of R6-NCM? Reduced noise level in regen mode? Improved current waveforms (reduced THDi values)? Standard main chokes and patented harmonic ? lters of the KEB COMBILINE Z1 series can be used? No additional synchronization unit needed6KEB COMBIVERT R6 - Technical DataAssignment of ? lters and chokes / hamonic ? lterSupply and Regenerative SystemsArticle code 15R6_1E-900A 19R6_1E-900_ 19R6_1E-910A 25R6_1R-900A 29R6_1P-910Dcontrol version N / S N / S N / S N / S N / Shousing size E R Pphases 3rated voltage [V] 400 400mains voltage range [V] 180 … 528+0 % 305 … 528+0 %mains frequency [Hz] [Hz] 50 / 60Regenerative operationoutput rated power [kVA] 18 45 153 346rated active power [kW] 17 42 140 330max. power output [kVA] 27 67.5 81 230 433max. active power [kW] 25.5 63 75 210 413regenerative rated current [A] 26 65 221 500regenerative DC current [ADC] 32 80 270 590over load current (E.OL) 60 s [A] 39 97.5 117 [10s] 331 625max. regenerative DC current 60 s [ADC] 48 120 144 [10s] 405 738Power supply operationinput rated power [kVA] 18 48.5 153 336rated active power [kW] 16 44.5 135 310max. input power [kVA] 27 72.5 87 [10s] 230 420max. active power [kW] 24 67 80 [10s] 202 388rated supply current [A] 26 70 221 485DC supply current [ADC] 32 87 270 590over load current (E.OL) 60 s [A] 39 105 126 [10s] 331 606max. DC supply current 60 s [ADC] 48 130 156 [10s] 405 738overload disconnection [%] 160 160 200 160 160DC-fuse internal optional - optional -dimensions (A x B x C) [mm] 130 x 290 x 208 340 x 520 x 357 340 x 960 x 453weight [kg] 5.6 25 97.5Size 15R6 19R6 19R6 25R6 29R6COMBIVERTR6-Nmax. over load 160% 160% 200% 160% 160%EMC ? lter 16E6T60-3000 20E6T60-3000 20E6T60-3000 25E4T60-1001 30E4T60-1001Choke 15Z1B04-1000 19Z1B04-1000 20Z1B04-1000 25Z1B04-1000 29Z1B04-1000Harmonic ? lter 15Z1C04-1000 19Z1C04-1000 19Z1C04-1000 25Z1C04-1000 29Z1C04-1000 COMBIVERTR6-SEMC ? lter 15E4T60-1001 19R6T60-1001 19R6T60-1001 25E4T60-1001 30E4T60-1001Choke 15Z1B05-1000 19Z1B05-1000 19Z1B05-1011 25Z1B04-1000 29Z1B04-1000Harmonic ? lter 15Z1C04-1002 19Z1C04-1002 19Z1C04-1002 25Z1C04-1000 29Z1C04-1000synchronisation unit integrated integrated integrated 00R6940-2408 00R6940-2408synchronisation cable 00F50C3-4010 00F50C3-4010 00F50C3-4010 00F50C3-4010 00F50C3-40107Accessories for COMBIVERT R6-seriesChokes and harmonic FiltersEMC-FiltersTo comply the requirements for radio interference EMC Filters are used. These are also needed to protect the connected equipment.Depending on the requirements the KEB COMBILINE EMC ? lters and ferrits can ful? l the requirements for industrial use or home usage. The E6 series Filters are characterized by unique low leakage current (typically less than 3 mA). This feature makes them applicable in sensible applications with restricted leakage current or enhanced ? re hazard protection requirements.To minimize harmonics to the main power supply line reactors or harmonic ? lters are used. Additionally the electronic equipment is protected from high current peaks, charging currents and main faults. Also the lifetime of the power parts will be increased.With simple mains chokes respectively commutation chokes the standard industrialrequirements are ful? lled. The KEB COMBILINE harmonic ? lters reduceharmonic even more, resulting in a sinusoidal current in supply and regen mode. Harmonic ? lters also o? er extra bene? t, that there is no additional voltage loss as it is typically for normal mains chokes.The chokes for the designated use with COMBIVERT R6-S series have the synchronization unit already integrated in the choke and harmonic ? lter.Technical data and additional accessories such as ferrites, decoupling diodes and fuses, please refer to the technical documentation of the respective devices.Karl E. 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