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AXPERT-HIVERTMedium Voltage Drive
AXPERT-HIVERT
TOTAL SOLUTION IN MOTION CONTROL
MEDIUM VOLTAGE DRIVE
AN ISO 9001 : 2008 COMPANY
02
Introduction
AMTECH is one of the leading manufacturers of low voltage AC
Drive with world class manufacturing facility and strong in-house
R&D. Now AMTECH has come up with the state-of-art technology
innovated AXPERT- HIVERT Series Medium Voltage VFD. With the
strong technical support system and global network, Amtech is in
position to provide highest up time in the industry.
Product Structure
Transformer Cabinet
Isolating Transformer:
Transformer Cooling Fan:
Secondary multi-winding output
provides phase-shift power supply to the power unit. This can
greatly improve the current waveform on grid side and reduce
the harmonic interference of the equipment to power grid.
Cooling fan specifically for dry
transformer is configured according to different capacity.
Power Unit Cabinet
Controller:
Power Unit:
I/O Board:
LCD Screen/Keypad:
By-pass Cabinet or Switching Cabinet (Optional)
System Cooling Fan
For space vector PWM control, signal acquisition and processing, communication between units via fibe as for completely
electrical isolation.
Modularized design of power units, interchangeable and easy to produce and repair.
For processing of the digital and analog signals of the system, thus to meet the needs of different applications.
For functions such as parameter setup, control, fault saving and communication. Single-chip microcomputer, full
English display and highly reliable.
The by-pass cabinet or switching cabinet may employ isolating breaker, vacuum contactor or the combination, depending on the user's
working conditions. The function of by-pass cabinet is to put the motor into operation in industry frequency grid after the Inverter exits, so
as to ensure the continuity of user's production. The switching cabinet is designed to divert the inverter output to different motors.
High efficiency fan from world renowned manufacturer, advantaged in large air flow and long service life.
r optics
Cooling fan
Transformer cabinet Power Unit/control cabinet Manual bypass cabinet
11kV cabinet outline drawing (including manual bypass cabinet)
03
1.Topology Structure of Main Circuit
3.3kV Series : ,
4.16kV Series : ,
6.6kV Series : ,
11kV Series : ,
Consisting of 9 power units. Every 3 power units are connected in series to form one phase 3-phase Y-type connection.
Consisting of 12 power units. Every 4 power units are connected in series to form one phase 3-phase Y-type connection.
Consisting of 18 power units. Every 6 power units are connected in series to form one phase 3-phase Y-type connection.
Consisting of 27 power units. Every 9 power units are connected in series to form one phase 3-phase Y-type connection.
Working Principle of Inverter
AXPERT-HIVERT Series Medium Voltage Drive adopts AC-DC-AC direct medium voltage input and
output and employs IGBT based power units in series, obtaining MV by means of overlap wave. In full
application of the proven technology for normal voltage inverter, AXPERT-HIVERT series has very high
reliability.
Main Circuit Diagram of AXPERT- HIVERT Medium Voltage Drive 6.6kV Series
04
2. Voltage Overlap Diagram
Each phase of AXPERT- HIVERT Series Medium Voltage Drive consists of multiple power units connected in series, and each power unit is
isolated by the secondary winding of isolating transformer. By changing the quantity of units in series, the phase-shift power supply can easily
obtain the output of different voltage level, without being subjected to the restriction of the power devices for their voltage resistance
performance. Assuming that each phase of an inverter rated 6.6kV consists of 6 power units and the rated voltage of power unit is 690V. the
phase voltage will be 3810V after connection in series (The corresponding line voltage is 6.6kV). Each phase of 11KV Inverter consists of 9
power units, the rated voltage of power unit is 710V, and the working voltage is 710V.
3. Structural Diagram of Power Unit
AXPERT-HIVERT Series Medium Voltage Drive consists of
multiple power units connected in series, and each power
unit is powered by the secondary isolating winding of the
input isolating transformer. The power unit is of AC-DC-AC
structure, equivalent to a low-voltage power source inverter
of 3-phase input single-phase output. As power units are
fully identical in structure and electrical performance, very
easy for maintenance and replacement.
The power unit receives the signal via optical fiber and adopts space vector sinewave pulse (PWM) to control the conductivity and disconnection
of Q1~Q4 IGBT, outputting single-phase pulse width modulation waveform. Each unit is only possible to have three states of output voltage.
When Q1 and Q4 are connected, the output voltage state of LI and L2 will be 1; when Q2 and Q3 are connected, the output voltage state of L1 and
L2 will be -1; and when Q1 and Q2, or Q3 and Q4 are connected, the output voltage state of L1 and L2 will be 0.
Inverter Series Quantity of Series Unit Rated Voltage Unit Working Voltage Output Phase Voltage Output Line Voltage Number of Voltage
Unto for Each Phase (V) (V) (V) (KV) Level tor Each Phase
3.3kV 3 690 635 1905 3.3 7
4.16kV 4 690 600 2402 4.16 9
6.6kV 6 690 635 3810 6.6 13
11kV 9 710 710 6390 11 19
Fuse Diode Rectifier DC BUS Inverter
R
S
T
L1
L2
Q1 Q2
Q3 Q4
3.3kV Series 11kV Series
3300VLine Voltage
1905VPhase Voltage
635
635
635
635
635
635 635
635
635
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
710
11000VLine Voltage
6390VPhase Voltage
710
710
710
710
710
710
710
710
710
6.6kV Series
6600VLine Voltage
3810VPhase Voltage
635
635
635
635
635
635
635
635
635
635 635
635
635
635
635
635
635 635
05
4. External System Diagram
READY
ERROR Minor Fault Alarm
RUN
ON HV
OFF HV
REMOTE
FREQ. MATCH
MV ON Permission
Remote Control Indication
Phase Lock Successful
Fatal Fault Output (NO)
Fatal Fault Output (NC)
AI01
AI03
EGND
AI02
AI04
EGND
3-phase Induction Motor
PE
IM 3~
Output Frequency Analog Current Output
Output Frequency Analog Current Output
Output Frequency Common End
Output Current Analog Current Output
Output Current Analog Current Output
Output Current Common End
3-phase MV Input Main Power
3-phase, 4-wire 415VAC control power
Y
R
A
B
C
Forward start/stop (pulse start)
Reverse start/stop (pulse stop)
Emergency Stop
Speed 1
Speed 2
Speed 3
Speed 4
Speed 5
Remote reset
H. V. Breaking
H. V. Breaking
Line Frequency Switching
Analog Current Set
Analog Current Set
Analog Set Command End
Analog Current Feedback
Analog Current Feedback
Analog Feedback Common End
Communication + Signal
Communication - Signal485-
485+
FGND
AFI
AFI
IGND
AII
AII
DCM
OFF HV
RESET
SPEED5
SPEED4
SPEED3
SPEED2
SPEED1
STOP
REV
FWD
b
a
C/L3
B/L2
A/L1
HV Ready
Run
MV OFF
U
V
W
B c
N n
OFF HV
S/W CONTROL
HEAVY FAULT
HEAVY FAULT
06
High-quality Current Input
Perfect Output Performance
Through phase-shift voltage dropping, the secondary winding of isolating transformer on input side will provide isolated power source to
each power unit. For 3.3kV, it is equivalent to 18-pulse, (24-pulse for 4.16kV, 36-pulse for 6.6kV, 54-pulse for 11kV) un-controlled rectifying
input. This eliminates most of the harmonic current caused by each power unit and greatly inhibit the generation of harmonic wave on grid
side.
The harmonic voltage and THD caused to electric grid by the inverter meets the most stringent requirements for THD as specified in IEEE
Std519-1992 and GB/T14549-93 (Quality of Electric Energy Supply Harmonics in Public Supply Networks). The inverter requires no
installation of filter, but it can protect the surrounding equipment from harmonic interference. The power factor within normal range of speed
regulation is over 0.95, so the power-factor compensation capacitor is not required.
Reduce the reactive input and decrease the supply capacity.
The units are connected in series and of PWM overlap output. Each phase consists of 6 units for 6.6kV series inverter, and 9 units for 11kV series.
This results in greatly reduced output of harmonic content, so that the output waveform is nearly perfect sine wave. In comparison with other
types of high voltage large-capacity drives, AXPERT- HIVERT Series MVD has following advantages:
No output filter required.
Able to drive common high-voltage motor without increasing the motor temperature or decreasing the motor capacity.
Motor cable is free of any length restriction.
Protective insulation of motor is free from the damage of dv/dt stress.
Service life of the equipment will not be shortened due to harmonic torque.
Product Characteristics
AXPERT- HIVERT Series Medium Voltage large-capacity drive is a type of medium voltage AC motor speed regulation drive. Our drive adopts
the advanced technology of series connection and wave overlap of the power unit, space vector sinewave PWM control. It also incorporates full
English operating interface and high-performance IGBT based modules , featuring in high reliability, superior performance and easy operation. It
can be used for a wide range of applications such as regulation, energy saving, soft startup and intelligent control of the fan, water pump,
compressors and other similar loads driven by medium voltage AC motor.
Input Current Waveform Output Voltage Waveform Output Current Waveform
07
User-Friendly Interface
The user interface includes 3 indicators, 2 buttons. 1 LCD and 1 mini keypad. If the red indicator on the
left is bright, it indicates that the inverter main power is on and standby. If the green indicator is bright, it
indicates that the inverter is running. If the red indicator on the right is normally bright, it indicates that inverter
is incurred to fatal faults and shall be disconnected from the main power automatically. If the red indicator on the right
blinks, it indicates light fault, in which case the inverter may run continuously but requiring elimination of the fault.
Below the indicators is an industrial LCD display with 240x128 resolution and a mini keypad, on which 8-line characters
can be displayed. From the LCD display and keypad, you can perform all operations of the inverter.
By pressing PRG key, you can switch between four pages, sequentially as system status page, function setup page,
parameter setup page and fault logging page.
Advantage: No mechanical rotating component, long operating reliability, and easy upgrading of software.
Flexible Control Options
Five Options of Frequency Set
AVR (Automatic Voltage Adjustment) Function
PID Function
nLocal Control: Direct control from the button on cabinet door or
the keypad. This is the main control method.
nRemote I/O Control: Realize remote control by connecting to the
remote switch signal via the I/O board.
nHost Control: Isolated RS-485 port and adoption of standard
MODBUS RTU communication protocol. Able to connect with host
system like DCS for optimized coordination control.
nDirect command from main interface.
nSet by analog signal (4-20mA signal).
nSet by host computer via RS-485 port.
nMulti-speed set, suitable for the working conditions in cyclic change.
nIn event of closed-loop operation, it will be automatic set by built-in PID via computation.
According to output voltage feedback, the inverter can automatically
adjust the output voltage to make it free from the influence caused by
the change of grid voltage and loads, and protect the motor from
insulation damage due to long overvoltage or core overheating due to
high magnetic flux density.
Built-in full digital PID is provided for closed-loop control upon the
users' requirements and for realization of operation under constant
press or constant fluid flux. PID parameters can be adjusted online.
Current Limiting Function
Self-diagnosis Function
Instantaneous Power Loss Tracing Function
Other Characteristics
In event the output current of the inverter exceeds the preset value, the
inverter will automatically limit the current output to avoid overcurrent
protection incurred during acceleration or deceleration or due to
sudden change of the loads, thus to minimize the stop times of the
machine.
AXPERT-HIVERT MVD is provided with complete self-diagnosis
capability to monitor the system status online. In event of any fault, the
inverter will be automatically activated to take protective actions and
save the time, cause and location of the fault. This will help the
maintenance personnel find the cause and eliminate the fault quickly.
In event the electric grid is incurred to instantaneous power loss, the
inverter will control the motor to be under power-generating status and
keep decelerated operation. If the electric grid resumes to normal, the
inverter will immediately return to original operating status. The keeping
time is 10 msec and typical value of the fan load is 3 sec.
nHighly efficient, with the system total efficiency up to 96% or over.
nThe control power is simultaneously supplied by 415VAC.
nWide range of input voltage.
nFast braking function.
nResonance frequency avoidance.
nCustomized design available upon the user's request.
1608
1. One Inverter drives one motor
When the inverter exits the operation, it may switch the motor into the grid via the by-pass loop, thus to ensure the continuity of the production activity. If vacuum contactor is selected for the switch K1, K2 and K3, the switching operation may be completed automatically.
Application Program
2. One inverter switches between two motors
To cut your investment, you may select this method if one inverter needs to switch between two motors, i.e. one in service and one on standby.
MV Busbar
DL
MV Cabinet
K1
K2K3
Optional
By-pass Cabinet
D
AXPERTHIVERT
MV Inverter
MV Busbar
DL
MV Cabinet
K1 K2 By-pass Cabinet
AXPERTHIVERT
MV Inverter
DL1 DL2
D1 D2
Product Parameters
1. Technical Parameters6.6kV Series3.3kV Series 11kV Series
Rated input voltage
Input frequency 50Hz/60Hz (±10%)
Modulation technology Space vector PWM control
Control power 415VAC, 1~5 kVA depending upon the power rating
Input power factor >0.96
Efficiency (including transformer) >96%, under rated load, for VFD
Output frequency range 0Hz~120Hz
Output frequency resolution 0.01Hz
Overload capacity 120% for 2 minute
Analog input 2-channel, 4~20mA / 2
Analog output 4-channel, 4~20mA
Communication with host Isolating RS-485 port, MODBUS RTU protocol, other protocol optional
Accel and Decel time 5s~1600s
Digital Input and output Input : 12 / Output : 13 (All potential free contacts)
Operating environmental temperature 0~ 45ºC, derate above
Storage/transportation temperature -40 ~ 70ºC
Cooling mode Forced air cooling
Environmental humidity 90% or below, no condensation
Installation elevation 1000 m, derate above 1000m, consult Amtech for derating
Protection level IP30, consult Amtech for higher protection
Cabinet colors PANTONE cool gray 1U & 2915U, consult Amtech for customization
3.3kV (-20%,+15%) 4.16kV (-20%,+15%) 6.6kV (-20%,+15%) 11kV (-20%,+15%)
>98%
~10V
45ºC, consult Amtech for derating
4.16kV Series
1609
2. Model and IdentificationAXPERTHIVERT
3. Product Series
Rated output voltage (kV), e.g. 3.3, 4.16, 6.6, 11
Rated output current (A), e.g. 077, 130
-
-
Series VMe Drive
-
4.16 SerieskV
6.6 SerieskV
11 SerieskV
3.3 SerieskV
10
Note :
1. The by-pass cabinet and switching cabinet are optional.
2. Size of manual by-pass cabinet, manual switching cabinet and automatic switching cabinet: 1000 wide, 2100 high in minimum, or as high as the inverter if the inverter is over 2100 high; the depth is the same as the inverter cabinet.
3. Size of the automatic by-pass cabinet: 2*1000 wide, 2100 high in minimum, or as high as the inverter if the inverter is 2100 high or higher the depth is the same as the inverter cabinet.
4. Dimensions & specifications are subject to change without notice.
DA=C
F
E
* Transformer is included in Power Cell Cabinet (Refer Fig.2).
MVD Dimension Details
Fig.1 Cabinet Outline with Seperate Transformer Cabinet Fig.2 Cabinet Outline with Transformer
E
F
D
* In case of Fig.2, total width is equal to Power Cell Cabinet width.
11
Application Industries and Fields
AXPERT-HIVERT Series Medium Voltage Drive is a perfect solution for soft start, speed adjusting,energy saving and intelligent control of high voltage AC motors (including synchronous and asynchronous motors).
Typical application industries include :
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l l l
l l l
Forced draft fan lurry pump rimary fan ompressor
Water pumping energy storage pump Induced draft fan Coal mill
Secondary fan Condensate pump Powder exhaust fan
l l l S P C
Thermal power, Hydro power, Garbage biomass
l l l
l l l l
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P W F
Submerged pump Brine pump Compressor Pressure blower
Feed water pump for offshore oil platform
ipeline transportation pump ater injection pump eed water pump
Petroleum, Petrochemical, Natural gas
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D M S C
Feeding pump Stirring pump Kiln transmission Ventilation fan
Drainage pump Medium pump
escaling pump ud pump lurry pump lean water pump
Coal mines & minerals
l l l
l l l l
l l l
B P I
Compressor Kneader Compressing blower Forced draft fan
Secondary dust removal blower Water-delivery pump Descaling pump
Feed water pump
last furnace blower rimary dust removal blower nduced draft fan
Steel & nonferrous metallurgy
l l l
l l l
K K R
Coal mill Dust removal fan Cooling fan
iln draft fan iln fan otary kiln transmission
Cement & building materials
l l l l
l l l l
P I F P
Sewage pump Cleaning water pump Lifting pump Reclaimed water pump
ressure blower nduced draft fan orced draft fan ressure pump
Municipal (heat supply, water supply, sewage etc.)
l l l l
l l
G P C A
Soft water pump Water-delivery pump
as blower ressure pump ompressor xial flow pump
Light industry, chemical industry
l l T West stand ind tunnel
Military industry & others
OUR OTHER OFFERINGS
We provide complete motion control system solutions or individual system components to address industry specific requirements and optimize your process.
Our solutions are simple, compatible and environment friendly, resulting in efficient production, cost optimization a n d m i n i m i z i n g h u m a n intervention. It even leads to energy conservation especially i n t y p i c a l F a n , B l o w e r applications.
AXPERT-EAZY AC Drive
AXPERT-VT240S AC Drive
AXPERT-HIVERT Medium Voltage Drive
AXPERT-OPTI torque Soft Starter
AXPERT-EAZY HF-High Frequency Drive
Fans, Blowers, pumps
Compressors, Centrifuges
Agitators & Conveyors
Oil & Gas
Mining
Flagship Solutions
Applications
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CA
T.N
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: A
EIL
/MV
D/1
1-1
2
“Automation made Easy” is our philosophy to simplify the increasing complexi ty of modern production systems through our AMTECH JETTER PROCESS PLC Technology platform.
We simplify the contradictory imperatives in modern auto-mation to provide simplistic but cost effective customized solutions.
NANO, DELTA, M IKRO, JETWEB, JETVIEW, HMI & SCADA, SERVO & AXES CONTROL SYSTEM
Paper Machine Automation
Textiles Manufacturing
Packaging
Winder Machine
Crane & Material Handling Equipment
CNC Machines
Semiconductor Assembly line
Retrofit solutions
Flagship Solutions
Applications
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Amtech 's Power Qual i ty Solutions offer you the synergy of multiple benefits - energy conse rva t i on , enhanced operational efficiency and reliability through a dedicated r a n g e o f p r o d u c t s a n d services.
Passive Harmonic Filter
Active Harmonic Filter
Harmonic Reactor
Static Harmonic Converter
EMI/RFI Filter
Sinus Filter
Active Front end Converter
Harmonic Audit and Solutions to comply with IEEE-519 standard
System design, optimization & pay-back analysis
Consultancy for Power Quality improvement
Energy Audit and solutions by experienced BEE certified professionals
Products
Services
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Training on Power Quality Management
We offer technology solutions to independent R&D labs as well as industrial segments, l ike Traction, Renewable Energy sources (Wind, Solar etc.) thereby zeroing your lead time to commercialization.
Traction Drive
High Voltage Power Supply
Battery back-up drive & systems for critical loads
Wind Power Converter
Solar Inverter
Retrofit Solutions
Customized solutions for industry specific applications
Solution for Oil, Gas & Mining
Power Electronics Technology outsourcing
Products
Services
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Specifications in this catalog are subject to change without notice.
MOTION CONTROL AUTOMATION POWER QUALITY INDUSTRIAL ELECTRONICS
“DRIVE FOR SUCCESS”“AUTOMATION.MADE EASY”
“ONE STOP SOLUTIONTO QUALITY POWER”
“YOUR TECHNOLOGYPARTNER”
i-SineAXPERT-Active Harmonic Filter
i-SineAXPERT-Active Harmonic Filter
E-6, GIDC Electronics Zone, Gandhinagar-382 028, Gujarat, India.Phone : +91-79-23289101, 23289102, 23289103Fax : +91-79-23289111 E-mail : [email protected] : www.amtechelectronics.com
AMTECH ELECTRONICS (INDIA) LTD.
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