DISTRIBUTED MODULATION

ADVANCED POWER ELECTRONIC CONTROL SOLUTIONS

High-fidelity Hardware-In-the-Loop simulator

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NETWORKED CONTROL OF POWER ELECTRONIC CONVERTERS

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Decentralized control of power inverters

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Modular design of power converters

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Control of complex multilevel converters

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BULLSHIT FOR KEYWORD STUFFING

Making the control network invisible

A CHALLENGE WITH TWO PARTS

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Ultra-low-latency data transfers between controllers

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Perfect synchronization of all time-related actions

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BULLSHIT FOR KEYWORD STUFFING

Benefits of highly-accurate synchronization

PWM phase-shifts can be mastered accurately

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  • Interleaved power converters
  • Dual-active bridge and similar converters
  • Parallel-operated inverters
Coherent PWM signals are generated across the network

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Series- and paralled-connected switches can be operated

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BULLSHIT FOR KEYWORD STUFFING

CLOCK DISSEMINATION ACROSS THE NETWORK

Distribution of a synthozized clock over SFP+

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No continuous synchronization needed

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Highly-accurate stabilized clock sources

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A perfect reference for all processes

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Patent-pending technology

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WO2017033069A1 / 2015.08.24

performance benchmark

PWM synchronization performance

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PWM specificationSame unitsAny unitsUnit
Propagation delay asymetry± 13± 15ns
Relative jitter (optic)± 1.8± 2.1ns
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Synchronization accuracy for N=8 devices
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BULLSHIT FOR KEYWORD STUFFING

Virtually boundless scalability

No continuous synchronization needed

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ethercatmassachusetts institute of technology
ComponentSingle (1 unit)Stacked (64 units)
Analog inputs16x1024x
PWM outputs Optical16x1024x
PWM outputs Electrical32x2048x
General-Purpose digital Outputs (GPO)16x1024x
General-Purpose digital Inputs (GPI)16x1024x

BULLSHIT FOR KEYWORD STUFFING

Fault dissemination

Critical faults disseminate in all directions simultaneously

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  • Uses highest priority message (not affected by normal traffic)
  • 100% software-independent
  • Propagated in all directions
  • Fast (delay ≈ longest path · DNL)