The Siemens ROBICON Perfect Harmony Air-Cooled medium voltage variable frequency drives (VFDs)
The Siemens ROBICON, Perfect Harmony Air-Cooled medium voltage variable frequency drives (VFDs)
Adding to the versatility of the ROBICON Perfect Harmony drive is available forced-air-cooling on the GenIIIe and Gen IV. Redundant blowers are an option for all air-cooled units. These fully integrated Variable Frequency Drive systems in a single lineup include the isolation transformer, power electronics, and control and cooling systems. There is no customer site cabling required to connect the assembled sections, and access to all components is easy. The control panel swings out for access to power and motor connections, and cells can be pulled out easily when maintenance is required.
Features and Benefits The ROBICON Perfect Harmony air-cooled VFD at a glance • Reliable Air-Cooled design • Clean power input (meets IEEE-519) • 0.95 power factor throughout speed range • Near perfect sinusoidal output allows retrofit to existing motors • Multi-level PWM technology means no special motor is required • Can be applied to induction, synchronous and wound rotor motors • Control drive tool (Windows interface) • Proven Perfect Harmony topology • High-availability options for advanced cell bypass (ProToPS) • Option for redundant blowers
Advanced Cell Bypass The Advanced Cell Bypass feature enables the ROBICON Perfect Harmony air-cooled drives to remain operational in the event of a cell failure by bypassing a faulted cell. Depending on the process requirement and the Variable Frequency Drive configuration, a cell fault could have minimal or no impact on the process; the motor output power quality remains within defined guidelines. ProToPS Process-First Mentality ROBICON Perfect Harmony’s Process Tolerant Protection Strategy (ProToPS) provides a hierarchical system of warnings that keep ROBICON Perfect Harmony air-cooled drives on line and in control of your process. Drive trips and process interruptions only occur in extreme circumstances. ProToPS allows time for the operator to evaluate a VFD disturbance and respond appropriately to avoid system shutdown.
Specification Line supply connection • Line voltage: 2.3 to 13.8 kV +10% / –5% • Frequency: 50 / 60 Hz +/– 2.5 / 3.0 Hz • Line power factor: > 0.95 • Top or bottom cable entry Motor connection • Motor voltages: – GenIV 2.3 to 6.6 kV – GenIIIe 2.3 to 7.2 kV • Top or bottom cable entry Power quality • Converter efficiency (without transformer): > 98.5% • Total VFD system efficiency: > 96.5% Auxiliary voltage • 380 V / 50 Hz, 400 V / 50 Hz, 415 V / 50 Hz* • 460 V / 60 Hz, 480 V / 60 Hz* Line-side rectifier • Integrated isolation transformer with aluminum or optional copper windings • Minimum 18-pulse diode rectifier without regenerative feedback Motor-side inverter • Multi-level PWM topology • LV-IGBT power cells Cooling • Forced-air-cooled with optional redundant fans Degree of protection • NEMA 1 / IP21, optional up to IP42 Environmental conditions • Temperature: 0–40°C (32–104°F), up to 50°C (122°F) with derating • Installation altitude: up to 1000 m (3300 ft) and up to 4000 m (13,200 ft) with derating • Humidity: < 95% without moisture condensation
Safety features (not complete) • Short circuit and ground fault protection • Over-current, over- and under-voltage protection • Loss of line voltage protection • Over-temperature protection (VFD and motor) • Over-speed and stall protection (motor) • Monitoring of cooling circuit • Self-diagnosis of control and power cells Control • V/Hz control without speed encoder • Vector control with and without speed encoder (optional) • Speed accuracy: +/– 0.1% with speed encoder, +/– 0.5% without speed encoder • Torque accuracy: +/– 2% • Field weakening range 1:3 • Maximum output frequency: 330 Hz (above 167 Hz with derating) Control I/O • Analog inputs: 3* • Analog outputs: 2* • Digital inputs: 20* • Digital outputs: 16* • Speed encoder (optional) • Communication: Modbus, optional: DeviceNet, PROFIBUS, Control Net* Standards • NEMA, IEC, CE, UL, CSA Selection of additional options • ProToPS process-tolerant protection system • Redundant fans • Advanced cell bypass • EMC filter • Anti-condensation heater • Increase of protection class up to IP42 • Keyed interlock systems • Duct flanged for connection to an external exhaust system • Additional I/O modules • Serial communication with various bus systems • Control and display instruments in the door • Ethernet and/or RS232 port connectors • PT100 monitoring (motor windings and bearings) • Distribution class surge arrestors (transformer) • Input and output earthing switch • Choke for long cable lengths
Motor voltage 3.3 kV Output current [A] Type rating [kVA] Shaft output [kW] [hp] Transformer [kVA] Order number (MLFB) Generation No. of cells Outline 40 225 189 254 300 6SR4102-0[]A33-0[][]0 GenIV 9 A 70 400 331 444 450 6SR4102-0[]B34-5[][]0 GenIV 9 A 100 570 473 634 700 6SR4102-0[]C37-0[][]0 GenIV 9 A 140 800 662 887 900 6SR4102-0[]D38-7[][]1 GenIV 9 A 200 1140 970 1300 1500 6SR4102-0[]E41-5[][]0 GenIV 9 A 260 1485 1261 1690 1750 6SR4102-0[]F41-7[][]0 GenIV 9 A 315 1800 1527 2047 2250 6SR3102-1[]G42-2[][]0 GenIIIe 9 B 375 2140 1818 2437 2500 6SR3102-1[]H42-5[][]0 GenIIIe 9 B 500 2855 2424 3250 3500 6SR3102-1[]J43-5[][]0 GenIIIe 9 B Motor voltage 4.0/4.16 kV Output current [A] Type rating [kVA] Shaft output [kW] [hp] Transformer [kVA] Order number (MLFB) Generation No. of cells Outline 40 275 229 307 400 6SR4102-0[]A34-0[][]0 GenIV 9 A 70 480 401 538 600 6SR4102-0[]B36-0[][]0 GenIV 9 A 100 690 573 768 800 6SR4102-0[]C38-0[][]0 GenIV 9 A 140 965 802 1075 1100 6SR4102-0[]D41-1[][]0 GenIV 9 A 200 1385 1175 1576 1750 6SR4102-0[]E41-7[][]0 GenIV 9 A 260 1800 1528 2048 2250 6SR4102-0[]F42-2[][]0 GenIV 9 A 315 2265 1925 2581 3000 6SR3102-3[]G43-0[][]0 GenIIIe 12 B 375 2700 2292 3073 3500 6SR3102-3[]H43-5[][]0 GenIIIe 12 B 500 3600 3056 4097 5000 6SR3102-3[]J45-0[][]0 GenIIIe 12 B 630 4540 3851 5162 6000 6SR3102-3[]K46-0[][]0 GenIIIe 12 B Motor voltage 6.0 kV Output current [A] Type rating [kVA] Shaft output [kW] [hp] Transformer [kVA] Order number (MLFB) Generation No. of cells Outline 40 415 344 461 500 6SR4102-2[]A35-0[][]0 GenIV 15 C 70 725 602 807 900 6SR4102-2[]B38-7[][]0 GenIV 15 C 100 1035 860 1152 1250 6SR4102-2[]C41-2[][]0 GenIV 15 C 140 1450 1203 1613 1750 6SR4102-2[]D41-7[][]0 GenIV 15 C 200 2075 1763 2363 2500 6SR4102-2[]E42-5[][]0 GenIV 15 C 260 2700 2292 3073 3500 6SR4102-2[]F43-5[][]0 GenIV 15 C 315 3270 2777 3722 4000 6SR3102-5[]G44-0[][]0 GenIIIe 15 B 375 3895 3306 4432 5000 6SR3102-5[]H45-0[][]0 GenIIIe 15 B 500 5195 4408 5909 6000 6SR3102-5[]J46-0[][]0 GenIIIe 15 B 630 6550 5554 7445 8000 6SR3102-5[]K48-0[][]0 GenIIIe 15 B Motor voltage 6.6 kV Output current [A] Type rating [kVA] Shaft output [kW] [hp] Transformer [kVA] Order number (MLFB) Generation No. of cells Outline 40 455 378 507 600 6SR4102-2[]A36-0[][]0 GenIV 15 C 70 800 662 887 900 6SR4102-2[]B38-7[][]0 GenIV 15 C 100 1140 946 1268 1500 6SR4102-2[]C41-5[][]0 GenIV 15 C 140 1600 1324 1775 2000 6SR4102-2[]D42-0[][]0 GenIV 15 C 200 2285 1939 2600 3000 6SR4102-2[]E43-0[][]0 GenIV 15 C 260 2970 2521 3380 3500 6SR4102-2[]F43-5[][]0 GenIV 15 C 315 3600 3055 4095 5000 6SR3102-7[]G45-0[][]0 GenIIIe 18 B 375 4285 3636 4875 5000 6SR3102-7[]H45-0[][]0 GenIIIe 18 B 500 5715 4849 6500 7000 6SR3102-7[]J47-0[][]0 GenIIIe 18 B 615 7040 5968 8000 8000 6SR3102-7[]K48-0[][]0 GenIIIe 18 B
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