industry invertronic 13

IndustryINVERTRONIC compactModular, Single Phase Inverters

W o r l d C l a s s P o w e r S o l u t i o n s

2

Fig. 1: 19” Sub-rack with 3 INVERTRONIC compact inverters,static and manual bypass

Fig. 2: 19” Sub-rack with 5 INVERTRONIC compact inverters

INVERTRONIC compactCost Saving Power Protection Availability

B E N N I N G W o r l d C l a s s P o w e r S o l u t i o n s

Table of main disturbances

Malfunctions in the public network (see table of mains distur-bances above) may cause hardware failure, disruption of criti-cal loads, unplanned production downtime or loss ofcommunication.

Inverter systems are often the perfect choice to supply reliableand conditioned AC power to mission critical applications.

The INVERTRONIC compact range consists of thefollowing system components:

1. 19”sub-rackThe 19” sub-rack is designed to accommodate theINVERTRONIC modules and can be integrated into 19” floorstanding or wall mounted cabinets.

The following sub-rack versions are available:1. Sub-rack with back plane connections for up to 3 inverter

modules, one static bypass module and a manualbypass. (fig. 1)

2. Sub-rack with back plane connections for up to 5 invertermodules. (fig. 2)

Mains failure and mains disturbancesmay cause serious problemsMore and more mission critical loads for industrial and com-mercial applications require a smooth and uninterrupted sup-ply of electricity.

On the public network, major loads as well as lightning strikes,generate dynamic over voltages, under voltages,sags/brownouts and transients.

Invertronic compact inverter systems ensurecontinuous power protection availabilityBenning`s new advanced INVERTRONIC compact single phaseinverter systems provide continuous and high quality AC powerfor mission critical loads in the industrial and commercialmarket place.

The INVERTRONIC compact inverter modules offer a veryflexible platform to design compact AC/AC power solutions incombination with the modular rectifier range 3000I and12000I.(see pages 5 & 6 for examples)

Voltage Phenomenon

1. Outage - blackouts

2. Sags/brownouts

3. Dynamic overvoltage

4. Undervoltage

5. Overvoltage

6. Transients (Surge)

7. Lightning

8. Voltage distortion HF (Burst)

9. Voltage harmonics

10. Frequency variations

Time

> 10 ms

< 16 ms

4...16 ms

continuous

continuous

< 4 ms

sporadic

periodically

continuous

sporadic

e.g.

published by ZVeI: UPS Guide

3

INVERTRONIC compactKey Features:

• Advanced inverter technology withDSP (digital signal processing) andIGBT/MOSFET semiconductors

• Scaleable and flexible single phase invertersystem with hot -plug inverter modules forparallel operation

• Short MTTR (Mean Time To Repair)Replacement of modules without any loadbreak

• The combination with Benning’s modularrectifier range, allows the realisation of verycompact AC-AC systems

• High efficiency even at partial loads, meanslow operating costs

• N+1 redundant configuration ensurescontinuous availability

• Excellent dynamic response

• High power density with low volume andweight

Block diagram of the modular construction ofINVERTRONIC compact inverter systems

2. Parallel operating Inverter modulesINVERTRONIC inverter modules are available for use withDC input voltages of 110V or 220V. The standard AC outputvoltage is 230V, but 220V and 240V are selectable. Eachinverter module can supply 1.5kVA rated output power.

The hot-plug design of the inverter modules together withthe dimensions of 1/5 19 inch width and 3U height allowsthe accommodation into 19 inch 3U sub-racks.

3. Static bypass switchThe static bypass switch increases the availability of theinverter system and provides security during overload orshort circuit.The bypass switch transfers the load to the mains if theinverter output deviates outside the acceptable tolerancesfor both, voltage and frequency, caused by short circuit,overload, or inverter failure.

Automatic transfer of the load back to the inverter is madeafter the inverter output has returned to within tolerance.The transfer time is less than 2ms.The static bypass has the same dimensions as theinverter modules and can be integrated into the 19 inchsub-rack. (Fig.5).

4. Manual bypass switchThe additional integrated manual bypass switch is locatedbeside the static bypass switch and allows the manualtransfer of the load to the mains or to the inverter output.This switch allows the inverter modules and the staticbypass module to be bypassed for service reasons.

INVERTRONIC compactModular Design, Multible System Integration


Fig. 3 (above): Sub-rack with 3 inverters, static bypass switch andmanual bypass switch

Fig. 4: Sub-rack with 5 inverters, without bypass switch

AC-Mains

AC-loads

AC-loads

staticbypass

inverter 1 - 3

battery

inverter 1 - 5

battery

mechanicalbypass

4INVERTRONIC compact

Plug and Play Means Lower Operating Costs


Fig. 5: 19” Sub-rack with 3 inverters, static bypass and manual bypass,output voltage 230 V AC, output power 4.5 kVA

Fig. 6: 19” Sub-rack with 5 inverters,output voltage 230 V AC, output power 7.5 kVA

5INVERTRONIC compact

Redundancy Ensures Higher Availability


Multiple system integrationThe modular design of the INVERTRONIC compact invertersallows flexible configurations of custom designed DC/AC orAC/AC (UPS) power supply solutions.

Fig. 7: Inverter cabinet with8 inverter modules, static and manual bypass.Total AC output power 12 kVA

6

Modem

Modem

TCP-IP

TCP-IP

Graphical user interfacefor all Windows Oss

Web-Browser:system values andconfiguration

Fig. 10: Monitoring concept of the MCU 2500

Figs 7 & 8, show different sizes of cabinets with sub-racks forinverters only and a combination of inverters and rectifiers.

The integration of battery and load fuses/breakers is alsopossible.

Fig. 9: Monitoring and control unit

INVERTRONIC compactMonitoring & Remote Management with MCU 2500


Fig. 8: Inverter- rectifier cabinet with:3 inverter modules, static and manual bypassTotal AC output power 4.5 kVA5 rectifier modules output voltage 220V DC, output current 50A DC

Monitoring system MCU 2500The Monitoring system MCU 2500 allows local or remote op-eration of the INVERTRONIC compact systems.

The display and operation unit mounted on the front door ofthe system cabinet consists of liquid crystal display, 17 LED`sand 4 push buttons and allows local operation of the powersystem.

Remote control and monitoring is possible using modem,Ethernet, Web, SNMP, MODbus or Profibus. (Fig10)

RS232 Serial communication(UPS protocol)

TCP-IP Protocol, completedata set is transferred

AC-Power SupplyOperation

Overload

Bypass operation

Manual Bypass operation

Inverter failure

Bypass failure

DC-voltage low

Mains failure

LED - Test

7Technical Specification

INVERTRONIC compact


InverterRated output power at (cos �= 0,8)DC-Input 110 V/220 V

[kVA] 1.5 3.0 4.5 6.0 7.5

No. of modules 1 2 3 4 5Inverter inputInput voltage range [%] -15 to +20Permitted ripple Voltage [%] < 5 eff.Current input at 110 V DC [A] 12 24 36 48 60Current input at 220 V DC [A] 6 12 18 24 30Inverter outputOutput voltage [V] 220/230/240 1-ph., N, PE (selectable)Voltage tolerance

- static [%] ± 1- dynamic [%] =<10 @100% load step

Regulation time [msec] ≤ 25Output current at 230 V AC [A] 6.5 13.0 19.5 26.0 32.5Motorload 100 % (beware of starting current)Overload behaviour: [%] 2.0 x I - nom for 4 sec., 1.2 x I - nom for 60 sec., then switch offShort-circuit current [A] 2.1 x I - nom for 4 sec.Output frequency [Hz] 50 (60) ± 0.1 % oscillator or mains synchronisedSynchronisation range [Hz] 50 (60) ± 5 % (selectable)Wave form sinusoidalDistortion factor [%] ≤ 2 with linear load, ≤ 5 with non linear load according to EN 50091-1-1Efficiency at nominal output power

[%] ≥ 91.5and input voltage DC 110/220 V

Static bypassRated output power [kVA] 23 (at 230 V AC)InputDC voltage [V] 93 to 270 DC*Mains voltage [V] 220/230/240Tolerance [%] ±15*Mains frequency [Hz] 50/60

[%] max. ±5; Inverter synchronisation range*Inverter output voltage [V] 220/230/240 ACOutputMax. output current [A] 100*Nominal output voltage [V] 220/230/240 ACVoltage tolerance [%] max. ±15 mains operation, max. ±1 inverter operation*Nominal output frequency [Hz] 50/60Max. frequency tolerance [%] ±5 (±0.1 oscillator controlled)Power factor [cos �] 0.7 ind. to 0.8 cap.Overload [%] 120 for 10 min.Transfer time [msec] typ. 2 in accordance with DIN VDE 0558 Part 5, IEC 146-4Supply priority* Inverter/mains priority

(*: These adjustments can be made directly on the unit.)

OthersEMC in according with (EN 55022)Noise level (at 75 – 100 % load) [dB(A)] approx 65Cooling forced cooling with speed controlled fans at air inletPermitted ambient temperature [°C] 0- 40°C (up to 55°C with derating 2,5 % PN/°C)Permitted storage temperature [°C] -25 to +70Relative humidity [%] 5 – 95 without condensationInstallation altitude at nom. load [m] 1.000 m without power reductionProtection IP 20 in accordance with DIN 40050Painting RAL 7035, structured paint finish (frontplate)Dimensions, Sub-rack 3 U x 19“ x 300 mm (H x W x D)Weight:- Sub-rack with 3 inverters, bypass and

manual bypass [kg] 21.5- Sub-rack with 5 inverters [kg] 23.2

Technical Specification

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BENNING worldwideAfricaBenning Office AfricaKurfürstenstr. 16D-82110 GermeringTel. 89 / 80 07 75 68Fax. 89 / 80 07 75 69E-Mail: [email protected]

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industry invertronic 13

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