IPS Rev 1.0

IPS Rev 1.0

Ken LutzUniversity of California, Berkeley

[email protected]

Information Overlay to the Energy Grid

2

Conventional Electric Grid

GenerationTransmission

DistributionLoad

Intelligent Energy Network

Load IPS

Source IPS

energy subnet

Intelligent Power Switch

Conventional Internet

IPS 1.0 Here

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(IPS)

Energy Network

PowerComm Interface

EnergyStorage

PowerGeneration

Host Load


(IPS)EnergyStorage


(IPS)EnergyStorageEnergyStorage


(IPS)EnergyStorage




(IPS)EnergyStorage



Host LoadHost Load

energy flows

information flows


• PowerComm Interface: Network + Power connector• Scale Down, Scale Out

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(IPS)

Data and Energy Network

PowerComm Interface

EnergyStorage

Host Load

Uni-directional energy flowinformation flows

Simplified IPS 1.0

• PowerComm Interface: Network + Power connector• Scale Down, Scale Out

Time seriesData Archive

sMAP Plotter

Energy Coupler

• Multi-port Universal Energy Coupler– Support for

Independent AC domains if desired

• Control of power flows in energy network

• Integration of distributed storage

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(IPS)

AC Clock 1


PowerComm Interface

EnergyStorage

Host LoadAC Clock 2


(IPS)


PowerComm Interface

% Capacity

Host Load

sMAP Plotter

Time seriesData Archive

PowerComm Interface

• Network Based Control and Actuation

• Data Measurement for monitoring current state and archival

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Voltage, Current

Voltage, Current

IPS Prototype

Battery Charge Controller

12 V Lead-Acid Battery

15 VDC Converter

Load Controller

Inverter

AC OutAC In

ACMEACME

DC Output

LabJackVoltage, CurrentSwitch Actuation

DC Bus

Specifications

• 400 Watt Nominal• 50% Efficiency AC-AC

(low load)• 64% Efficiency AC-

DC• Hold up time 20 min

(discharge to 11.5V)• Recharge time 60 min

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Mode 1: Run From Grid



15 VDC Converter

Load Controller

Inverter

AC OutAC In

ACMEACME

DC Output

Run Only from Utility

IPS Voltage and Current

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IPS Current

Mode 2: Run From Battery



15 VDC Converter

Load Controller

Inverter

AC OutAC In

ACMEACME

DC Output

Run from Battery

Utility OFF, Run From Battery

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Mode 3: Run and Charge


15 VDC Converter

Load Controller

Inverter

AC OutAC In

ACMEACME

DC Output

Run And Charge from Utility


Line and Battery Operation

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IPS Current

Run From Battery Then Run and Recharge

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Value 14:15:31 14:31:11 14:46:51 15:02:31 15:18:11 15:33:50 15:49:300

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

Series1

IPS AC Input Power

Mode 4: Charge Only


15 VDC Converter

Load Controller

Inverter

AC OutAC In

ACMEACME

DC Output

Charge Only from Utility


IPS• 600W AC-15VDC

Converter• Solid State Switches• 40A Xantec Charge and

Load Controllers• Lead Acid Battery• Exeltech 600W inverter• Labjack for sense and

control• ACME AC power

measurement

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IPS and FitPC-2i cluster

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Future Work

• Package IPS and Replicate to Form a Network

• Incorporate Local Intelligence and State to support plug and play?

• Scale Storage driven by load requirements• Bi-Directional Power Flow?

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IPS Rev 1.0

Documents

Transcript of IPS Rev 1.0