High Performance Medium Voltage Drives

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It shows the features, functions, applications, benefits of Veichi medium voltage drives such as AC60 and AC80B.

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www.veichi.org Shenzhen & Suzhou ,China Veichi AC60 / AC80B Medium Voltage Frequency Inverter Top and professional AC drive, VFD manufacturer in China ! Top brand

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Veichi is a main and profession manufacturer of AC Drive in China. Now more than 1000 pcs of 690/1140V voltage of AC60 has been serving in kinds of industrial application. Such as oil field, chemical, and coil filed , air condition,.. Veichi medium voltage drives are renowned for his high running reliability, strong environment adaptability and high performance. Veichi AC60/80B Medium Voltage Drives Specification: 3 phase, 660V , 7.5 to 1000kw 3 phase, 1140V , 30kw to 1000kw Completely new torque control characteristic AC80B medium voltage frequency adopts vector control drive technology. It can perform the excellent torque control directly with controlling of field current and torque current in separately after motor auto tuning. Because the vector control technology can make inverter adjust the output frequency and voltage according to the load and real time frequency, so we can achieved better dynamic performance, large torque and running smooth under low speed , high precision control and torque control Technical data of high performance VC control High torque under even 0 speed is available Torque response Open loop Vector control (VC) without PG: ≤ 20ms Close loop vector control (VC) with PG: ≤ 10ms Torque control precision Open loop Vector control (VC) without PG: ±10% Close loop vector control (VC) with PG: ±5% High starting torque will be available with high performance vector control technology Open loop Vector control (VC) without PG: 180% rated torque under 0.5Hz . Close loop vector control (VC) with PG: 200% rated torque under 0.00Hz . Laminated DC bus Technology

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High reliability running design Secondary development base on Veichi mature low voltage drive platform AC60 / AC80 . Optimized hardware layout and structure to enhanced the reliability and extend the service life span. With upper-lower path layout for medium voltage above 93kw for better layout inside of control cabinet Built it DC reactor for 93kw for standard to reduce the input harmonic and improve the power factor to protect your grid. all models have reserve pre-terminal for DC reactor installation. Independent air duct design, thru-hole installation. Strong environment adaptability All standard products adopts conformal coatings to improve the environment adaptability, environment strengthened solution if you need to meet long term running reliability in hostile condition is available. Cooling duct isolation design, anti most, anti dust, anti dust, seal design to meet using in adverse environment. The capacity of environment is better than importing AC drive for a long time market testing. Excellent communication function Powerful communication function: adopts international standard ModBus communication protocol. User can control the inverter via PC/PLC, upper controller, mast inverter… Achieve integration control to meet special application requirement ( control command, frequency reference, function code modification, inverter status and fault alarm monitor ) Profibus is optional for AC60/AC80B all series.

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Strong anti interference capability Support wide voltage input, with low voltage modulation technology will ensure drive long capability voltage is low. Built in grid surge, anti thunder, grid noise and electrostatic interference capability. The DC bus power and control power supply is isolated, the power supply of control system from isolated transformer independent, built in filter circuit . Adopts optical data transfer technology to improve the anti interference capability. Powerful protection capability Strong overload tolerance, over current, over voltage suppression function, up to 20 kinds protection is available. There are no alarm or fault output with 0.1s acceleration and deceleration time. 150% rated current for 60s , 180% rated for 10s , 200% rated current for 0.5s . More technical specification please refer to AC60 general purpose variable frequency drive catalog and AC80B high performance vector control variable frequency drive catalog. Shenzhen Veichi Electric Co., Ltd  www.veichi.org

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Hoister systems With the variable frequency technology to updated the hoister system to achieve constant torque control under full frequency range( 0 to 50Hz / 60Hz ) , also can overcome the defects of traditional AC wound rotor with series resistor speed adjusting system. Dynamic braking with resistor solution with cheaper cost and energy feedback solution with remarkable energy both can be consider to use for regenerated energy issue. For the safety consideration, the hydraulic braking system should be reserved, and integrated with VFD braking function to achieve better control. With the PWM control and IGBT rectifying function to realized the dual direction control for rectifying and energy feedback, the power factor will be near to 1 and to realized the true four-quadrant running. Application cases showing Conveyor belt. There are a lot of benefit we can get when using Veichi medium voltage for conveyor belt such as soft start, soft stop, reduce the mechanical impact in effectively and extend the service life span. With the mast –slave control technology of veichi MV drive, the output torque and DC bus voltage of mast-slave of drive can be make the same almost via the output torque control of drive. The tolerance of output torque of mast- slave will be within ±1% when the system is running stability. Advantage of using with VFD Achieve soft start of belt system Power balance of belt system with multi-motors Reduce the tension of belt Reduce the mechanical impact Mini the  maintenance of system Smooth start, large torque output, no impact current , start with heavy load is available. Energy saving.

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Oil extraction machine The law of motion of oil extraction machine will adapt the oil well change condition with variable frequency drive to improve the efficiency of system and increase the production. The advantage of oil extraction with VFD retrofitting. Increasing the power factor, ( from 0.25 ∽0.5 to 0.9),. Reduce the current of power supply, so it means reduce the load of grid and transformer. Speed regulating in dynamic to achieve the energy saving and increasing production. Reduce the impact for gear box with soft starting to avoid big mechanical impact and extend the service lift span of machine. Counter-rotating fan Adjusting the speed of fan with AC60 medium voltage VFD to change the flow of fan to meet the process requirement and enable to energy saving and process optimize. Using the VFD is the best solution for fans application, because it is not only the stepless speed regulating is available, but also can achieve the constant flow control with close loop. Energy saving list speed Flow pressure Shaft power Energy saving 100 100 100 100 0 90 90 81 72.9 27.1 80 80 64 51.2 48.8 70 70 49 43.3 65.7 60 60 36 21.6 78.4 50 50 25 12.5 87.5 Generally, energy saving with 20% to 5% for the motor runs at 35.00 to 50.00Hz in dynamically vary with process changing for continuous fans system.

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1. 3 PH 660/690V, 7.5kw to 75kw. Wall mounting Model of VFD G for constant torque load P for fans and pumps load Output Power (KW) w w1 H L1 D Install. hole AC60-T6-7R5G / 011P 7.5/11 600 200 520 500 275 Ø9 AC60-T6-011G / 015P 11/15 AAC60-T6-015G / 018P 15/18 AC60-T6-018G / 022P 18/22 384 280 580 559 288 Ø12 AC60-T6-022G / 030P 22/30 AC60-T6-030G / 037P 30/37 AC60-T6-037G / 045P 37/45 433 310 760 737 317 Ø12 AC60-T6-045G / 055P 45/55 AC60-T6-055G / 075P 55/75 AC60-T6-075G / 093P 75/93 Model of VFD G for constant torque load P for fans and pumps load w w1 H L1 D C L A1 B1 E W2 H1 AC60-T6-093G/110P 515 350 1270 822 340 Ø9 850 486 200 Ø11 Null 450 AC60-T6-0110G/132P AC60-T6-132G/160P AC60-T6-160G/185P 700 580 1648 1105 380 Ø9 1138 665 250 Ø15 220 550 AC60-T6-185G/200P AC60-T6-200G/220P AC60-T6-220G/250P 700 620 1715 1172 420 Ø9 1205 715 300 Ø15 220 550 AC60-T6-250G/280P Wire inlet port in Back side Wire inlet port in Bottom side 2. 3 PH 660/690V, 93kw to280kw, Floor standing cabinet AC60 medium voltage series (T6, 660/690V) VFD Dimension and installation size. Installation hole

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3. 3 PH 660/690V, 280kw to 630 kw , Floor standing cabinet Model of VFD G for constant torque load P for fans and pumps load W W1 H H1 D Install. hole AC60-T11-280G/315P 850 600 1700 300 500 Ø13 AC60-T11-315G/355P AC60-T11-355G/400P AC60-T11-400G/450P AC60-T11-450G/500P AC60-T11-500G/560P 1200 750 2200 440 550 Ø14 AC60-T11-560G/630P AC60-T11-630G/700P

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AC60 medium voltage series ( T11 , 1140V ) VFD Dimension and installation size. PS: the size of AC80 as same as AC60 ‘s. 1. 3 PH 1140V , 30kw to 132kw . Wall mounting Model of VFD W W1 H H1 D Install. hole AC60-T11-030G 600 220 1100 1069 450 Ø14 AC60-T11-037G AC60-T11-045G AC60-T11-055G AC60-T11-075G AC60-T11-093G 750 260 1100 1069 450 Ø14 AC60-T11-110G AC60-T11-132G 2. 3 PH1140V , 160kw to 1100kw . Floor stand cabinet Model of VFD W W1 H H1 D Install. hole AC60-T11-160G 800 546 1900 508 600 Ø14 AC60-T11-185G AC60-T11-200G AC60-T11-220G AC60-T11-280G AC60-T11-315G 1070 776 2000 513 600 Ø14 AC60-T11-400G AC60-T11-450G AC60-T11-500G 1200 800 2200 603 700 Ø14 AC60-T11-560G AC60-T11-630G AC60-T11-1100G 1600 1200 2200 612 700 Ø14

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More information about Veichi medium voltage drives such as AC60 and AC80B , please follow the links to learn more. If you are interested in our medium voltage drives, please contact us via: Email : overseas@veichi.com Mobile phone : + 86-13825274128 Skype : veichi2@outlook.com WhatsApp : +86-138 2527 4128 Facebook : https:// www.facebook.com/veichiglobal Twitter : https:// twitter.com/VeichiGlobal

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