Transcript
Page 1: Grid-PV-Diesel Hybrid System Management - Newsletter …news.secartys.org/doc/Victor/IEEE EEEIC15 - Presentati… ·  · 2015-07-21Grid-PV-Diesel Hybrid System Management ... •

Grid-PV-Diesel Hybrid System ManagementApplication to MED-Solar Project Scenarios

Guillermo VelascoJune 12th , 2015

Rome

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Grid-PV-Diesel Hybrid System ManagementApplication to MED-Solar Project Scenarios

OUTLINE

1. Introduction. The MED-Solar Project2. MED-Solar Project main objective3. Electric energy production in target countries4. Proposed hybrid systems5. Proposed Energy Management System (EMS)6. Future steps

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1. Introduction. MED‐Solar Project

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• Linked to the multilateral Cross‐Border Cooperation in the Mediterranean Sea Basin Program (CBCMED)

• Funded by the European Neighborhood and Partnership Instrument (ENPI)

• The Autonomous Region of Sardinia is the Joint Managing Authority (responsible of operational and financial management)

• Project inscribed in the second priority of the Program:

Promotion of environmental sustainability through the promotionof the use of renewable energy sources

http://www.medsolarproject.com

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1. Introduction. MED‐Solar Project

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The MED‐Solar partnership:

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2. MED‐Solar Project main objective

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Main similarityElectricity production based on diesel

generators

• High dependence on foreign countries

• High cost of operation• Air and noise pollution

MED‐Solar project actuationReduce the use of fuel by using:

• PV power plants• Energy transient storage systems

• Increment on power supply security• Reduction on operation cost• Promotion of SMEs development• Increment on air quality

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Lebanon

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3. Electric energy production in target countries

Diesel91.2%

RES: 6.6% Imp.: 2.2%

Palestine

Imported91.4%

Diesel: 8.6%

Jordan

Diesel41.2%

HFO31.7%

Gas24.6%

RES: 0.4% Imp.: 2.1%

Country Generation[TWh]

Fossil fuel

Net metering

Outages per month

Outageduration

Lebanon 11.5 93.3 % yes Daily 5.2 hJordan 14.6 99.6 % yes 0.2 0.2 hPalestine 5.4 100.0 % yes 8.7 3.7 h

Case 2}Case 1

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4. Proposed hybrid systemsPremises:

• Take full advantage of existing equipment in considered facilities:

• Diesel generators, grid connections …• Distribution lines

• High modularity on integration of:• PV system and Storage system• Priority load management

• Solution based on commercial equipment

Minimum development efforts

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4. Proposed hybrid systemsJordan and Palestine cases● Infrequent outages with short duration:‐ No critical loads‐ Use of gensets not intensive

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• PV = 80 kWp• Battery = 150 kWh• Reduce energy costs• Educational purposes

• PV = 100 kWp• Battery = 150 kWh• Improve energy comfort and 

quality of medical activities

4. Proposed hybrid systemsJordan and Palestine cases● Infrequent outages with short duration:‐ No critical loads‐ Use of gensets not intensive

Al Huson University College

Irbid (Jordan)

An‐Najah National University Hospital

Nablus (Palestine)

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4. Proposed hybrid systemsLebanon case● Long duration daily outages‐ Critical and no critical loads‐ Intensive use of gensets

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4. Proposed hybrid systemsLebanon case● Long duration daily outages‐ Critical and no critical loads‐ Intensive use of gensets

• PV = 115 kWp• Battery = 50 kWh• Classrooms, dorms, 

sport installations

• PV = 110 kWp• Battery = 100 kWh• Agricultural wholesale 

market

Souk Akkar Market

Akkar

• PV = 135 kWp• Battery = 72 kWh• Agricultural activities 

and services

The Agricultural Center of the North (CAN)

MejdlayaLiberation Academy Sports Club

Sultaniyeh

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5. Proposed energy management system (EMS)Three levels architecture

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A. Operational LevelTakes directly in charge the equipment of the energy hybrid system:PV inverter, battery inverter, diesel generators and controllers, automatic transfer switch (ATS) …

B. Tactical LevelFirst level to be programmed in the EMSManages the power flows in the energy hybrid system

C. Strategic LevelHighest hierarchy level (programmed in the EMS)Implement strategies for energy management in the energy hybrid system

5. Proposed energy management system (EMS)Three levels architecture

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5. Proposed energy management system (EMS)

Operational level functionalitiesA. Critical loads managementB. Battery charge and discharge managementC. AC bus regulationD. Limitation of PV generator output powerE. Diesel generator management and grid synchronizationF. ATS management

A. Peak shaving operationB. Fuel saver operationC. Spinning Reserve (SR) management

Tactical level functions

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5. Proposed energy management system (EMS)EMS Tactical level operation: Peak shaving

maxgridPVmaxload

maxgridout PPifPPP

PPifP

0

Max PowerLimitation

Maximum power delivered by the grid during peak hours

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5. Proposed energy management system (EMS)EMS Tactical level operation: Fuel saver

NgenNinvload

NgenMPPPV PPifPPP

PPifPP

3.03.0

3.0

Min PowerLimitation

Reducing fuel consumption but ensuring safe operation of genset

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5. Proposed energy management system (EMS)EMS Tactical level operation: Spinning Reserve● 2 diesel generators + PV generator

Coveredby PV

Coveredby diesel

)()()( tPtPPtSR loadPVN

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5. Proposed energy management system (EMS)EMS Tactical level operation: Spinning Reserve● 2 diesel generators + PV generator

)(2.1)(2.0)1( tPtPPtSR loadPVN

+20% variation in demand

‐80% variation in generation

Simultaneously 

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6. Future steps● Now the 5 pilot plants are under construction

Ready for commissioning in September

● EMS hardware platform is selected EMS software is developed and now is in under laboratory test process

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Thank you for your attention

http://www.medsolarproject.com

Grid-PV-Diesel Hybrid System ManagementApplication to MED-Solar Project Scenarios

Guillermo VelascoJune 12th , 2015

Rome


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