Schneider ATV61 AC is the standard frequency inverter uses a diode rectifier on the input to generate dc voltage. Due to this rectifier the mains input current gets harmonics which lead to a voltage distortion of the supplying mains.
Range dedicated to pump and fan applicationsfor the industry and building markets: exceptional performances, advanced functionalities. High performance variable torque applications:
Fan: Safety with forced function (fault inhibition, selection of operating direction and the reference speed).
Multipump: With the programmable card multipump, Altivar 61 offers you flexibility, user-friendliness and adaptability for management of several pumps.
Pumps: Essential functions for your installation protection under load, overload and fluid absence detection
3-phases 200/240 V – 380/480 V – 500/690 V
UL Type 1/IP20 from 0.75 to 800 kW.
UL Type 12/IP54 from 0.75 to 90 kW.
Speed range: 1:100 in open loop mode.
Overload: 110% … 120% – 60 s.
Graphic keypad: plain text, navigation button, “Simply Start” menu to start immediately and profit at once from the full performance of Altivar 61. v Integrated EMC filters class A or B.
Energy saving law, Quadratic motor control law.
Conformity to the international Standards and Certifications: CE, UL, CSA, C-Tick.
Modbus and CANopen integrated.
Communication cards for industry: Ethernet, FIPIO, Modus Plus, DeviceNet, Interbus-S, Unitelway and for building LonWorks, BACnet, METASYS N2 and Apogee FLN.
Input/output extension cards
Multipump programmable cards: ATV38 compatibility and new applications.
12- and 24-pulse solution for ATV61 / 71 The standard frequency inverter uses a diode rectifier on the input to generate dc voltage. Due to this rectifier the mains input current gets harmonics which lead to a voltage distortion of the supplying mains. There are several possibilities to reduce this current harmonics and to decrease the total mains current: * Use of a DC choke – THD(i) less than 42 % * Use of a three-phase choke – THD(i) less than 44 % * Installation of a passive mains current harmonic filter – THD(i) less than 20 % * Installation of an active mains current harmonic filter – THD(i) less than 5 % * AFE (Active Front End) – THD(i) less than 5 % * 12-pulse connection – THD(i) less than 12 % * 18-pulse connection – THD(i) less than 5 %
* 24-pulse connection – THD(i) less than 3 %
In order to reduce the current harmonics in the line supply the ATV 61/71 (above 18 kW) is delivered with DC-choke as standard. In addition to this harmonic reduction drives above 400 kW are prepared for 12-pulse supply too. For the power range between 90…400 kW an additional rectifier bridge including contactor and fuses offers a 12-pulse solution. 18-pulse supply would be possible with the same rectifier bridge for power range from 90…630 kW.
The basic design of the Altivar customized enclosure complies with protection degree IP23 and IP54 and includes a main switch, mains fuses, AC choke, sinus filter and motor terminals. Further installed components, such as circuit breaker, line contactor, various control options, alternatively with a field bus, safety relay, cubicle heating,and much more, see ATV61 and ATV71 catalogues. Further installed components are possible to get harmonic mitigation by 12 – pulse supply. For the power range from 630…2400 kW also a 24-pulse solution can be selected.