Innovations in Drive Technologies. High-availability, medium-voltage, variable speed drives for pumping and compression
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1 Innovations in Drive Technologies High-availability, medium-voltage, variable speed drives for pumping and compression Siemens AG All rights reserved.
2 Common MV VSD topologies LCI PWM 3 level Multi-cell LV & MV IGBT Thyristor LV & MV IGBT IGCT Simple, low component count 40 years references High power density Synchronous motors Harmonic filter Basic VSI platform 25 years references Induction or synchronous motors Medium Performance Standard transformer Most Common VSI platform 20 years references Induction or synchronous motors High Performance Scalable
3 Perfect Harmony concept Multi-cell topology MV output waveform quality Clean output waveform allows: Use with new and old DOL motors ideal for retrofit Use of standard cables Longer cable step-outs longest reference ~30km!
4 SINAMICS GH180 Perfect Harmony Air cooled MV drive 150kW to 6,000 kw 2300V 7370V output voltage 40A 720A output current Integrated safety earth switches MicroHarmony: Smallest MV AC Drive on the market Perfect for offshore: 1000HP / V output 1.68m wide x 1.1m deep Up to 13.8kV input voltage direct! 1.68m
5 SINAMICS GH150 Perfect Harmony water cooled MV Drive Extending the proven design concepts Separate transformer gives installation flexibility Marine certification (e.g. DNV, GL, ABS, CCS, LRS, BV classification) Multi-level high quality output waveform Highest availability due to Cell Bypass feature and Cell redundancy options Internal arc certification acc. IEC kA, 500mS Over 3 years operation and more than 4 million hours of cell run time
6 GH150 - the multi-level drive that adjusts to your demands Oil-filled Dry type Induction motors Pulse no. Outdoor Retrofit motors IM Synchronous motors Line Motor SYN Water cooling side Air cooling Prim. voltage Indoor Long cables M side High speed Permanent excited motors PEM >150 Hz The multi-level drive that adjusts to your line and motor side demands. Flexibility is one important key to reduce the total cost of ownership.
7 Function principle of the M2C topology P V d v Z1 L L Arm L1 L2 X2 X1 L3 X2 V X21 X1 Single module T 11 V SM - T 12 C SM 2-terminal cells without external power supply DC-link without central energy storage Flexible for common DC-bus applications Flexible for front end or braking chopper Scalable output voltage v Z2 Module output voltages V X21 N V SM1 T 12 T 11 t
8 Function principle of the M2C topology P V d v Z1 L L Arm L1 L2 X2 X1 L3 X2 V X21 V X21 X1 X1 Single Twin module T 11 V SM1 T 12 T 21 V SM2 T C SM C SM 2-terminal cells without external power supply DC-link without central energy storage Flexible for common DC-bus applications Flexible for front end or braking chopper Scalable output voltage v Z2 Module output voltages V X21 N V SM1 V SM2 V SM1 V SM2 T 12 T,T 1221 T 11 T,T 1121 T 11,T tt,t t
9 Principles of operation of a Modular Multi-Level Converter (M2C) Perfect Harmony performance: Extremely motor-friendly behavior Near sinusoidal output voltage Without output filter! No motor harmonic heating No motor/cable insulation stress No additional bearing currents
10 SINAMICS PERFECT HARMONY GH150 Cell bypass - Fault tolerance - High availability Cell cabinet Modular plug-in cell design Cell bypass switch isolating the failed cell from the conduction path. No output speed reduction due to very fast bypass operation Increased maintainability due to modular, compact and light weight IGBT modules that are easy to replace from the front in less than 10 min Water-cooled power cell using state of the art Low Voltage IGBTs and long life self-healing air-cooled capacitors
11 SINAMICS PERFECT HARMONY Long cable experience 20 years Application: 28km start-up in 2007, 6.6kV subsea MPP, 8000V output without step-up transformer! Projects: Gannet 15km, Otter 23km, Auk 14km, Captain, Wytch Farm, Amoco Orient, Marathon Oil, Santos, Petrobras Campos Basin, India. Features: Reduced footprint; Direct line connection up to13.8kv MV output; no step up transformer IEEE 519 harmonics standard compliant unique Cell Bypass feature Scope of Supply: 1000 Perfect Harmony on ESPs & MPP 28 km 1700 m SUBSEA PUMPS King GOM 16 x 1000HP VSDs on one platform without supply harmonic filters Motor cable lengths from 2 km to 28km
12 We are happy to answer your questions! Siemens AG All rights reserved.
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