№ files_lp_3_process_7_019771
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Emergency power supply systems using advanced inverter control methods for distributed generation sources in microgrid environments are analyzed, with a focus on a non-linear controller for improved performance under load variations and external disturbances.
Year:
2022
Region / city:
Yasooj, Iran
Topic:
Control of inverters, Microgrid systems, Distributed Generation
Document type:
Research Article
Organization / Institution:
Islamic Azad University, Yasooj Branch; Universitas Ahmad Dahlan; Yasouj University of Medical Sciences
Authors:
Mahmoud Zadehbagheri, Mohammad Javad Kiani, Tole Sutikno, Rasoul Arvin Moghadam
Target audience:
Engineers, researchers in electrical engineering and power systems
Period of validity:
N/A
Date of approval:
January 9, 2022
Date of revisions:
December 20, 2021
Keywords:
Backstepping Controller, Nonlinear Loads, Inverter, Lyapunov Stability, Microgrid, Distributed Generation (DG)
Price: 8 / 10 USD
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Year:
2025
Region / City:
California
Topic:
Energy, Clean Energy, Microgrids, Utility Contracts
Document Type:
Resolution
Organization:
Public Utilities Commission of the State of California
Author:
Pacific Gas and Electric Company
Target Audience:
Energy professionals, regulators, stakeholders in energy resilience
Period of Validity:
June 1, 2025 – September 1, 2025
Approval Date:
July 24, 2025
Date of Changes:
April 1, 2025
Year:
2022
Region / City:
California, USA
Topic:
Energy Storage and Microgrids
Document Type:
Resolution
Organization:
Public Utilities Commission of the State of California, Energy Division
Author:
Public Utilities Commission of the State of California
Target Audience:
Utility regulators, stakeholders, and policymakers
Decision Reference:
D.21-12-004
Project Capacity:
39 MW
Estimated Cost:
$190.9 million
Contract Parties:
Mitsubishi Power America, Inc.; Morrow Meadows Corporation
Relevant Period:
Summer 2022–2023
Safety Provisions:
Included in Exhibit N
Filing Reference:
Advice Letter 3992-E, filed April 27, 2022
Year:
2026
Region / City:
West Virginia, USA
Subject:
Energy infrastructure, data centers, legislative regulation
Document Type:
Legislative bill
Government Body:
West Virginia Legislature
Authors:
Delegates Funkhouser and Ridenour
Intended Audience:
Lawmakers, regulatory agencies, developers
Effective Period:
Upon enactment
Key Provisions:
Certification of microgrid districts and high impact data centers, exemption from local zoning and regulatory restrictions, tax and utility obligations
Environmental Considerations:
Majority karst hydrogeology areas, surface water usage requirements
Committee Referral:
Committee on [unspecified in document]
Year:
2026
Date:
13 February 2026
Course:
ECE 445 Senior Design
Project Number:
70
Document Type:
Final Report and Project Proposal
Project Title:
EduGrid Microgrid Demonstrator
Authors:
Ahmet Colak; Jason Hart; Srijan Kunta
Teaching Assistant:
Abdullah Alawad
Topic:
Microgrid education demonstrator, power grid protection, frequency control, and power factor correction
System Platform:
ESP32-S3 microcontroller with SSD1306 OLED display
Technical Methods:
RC/RL time-constant component measurement and microcontroller-based state machine grid simulation
Fault Scenarios:
Ground fault; arc or lightning fault; undervoltage under heavy load; over-frequency from excess generation; power factor correction
Key Hardware Elements:
Rotary selector, breaker switches, status LEDs, capacitors and inductors for power factor adjustment
Intended Audience:
Students studying electric power systems and grid protection concepts
Note:
Year
Subject:
Solar Energy, Photovoltaic Systems
Document Type:
Technical Plan
Target Audience:
Contractors, Engineers
Context:
Technical source document outlining standard plans for solar PV system installations for residential properties.
PumpDrive R self-cooling frequency inverter for asynchronous and synchronous motors, 27 October 2021
Year:
2021
Manufacturer:
KSB
Type:
PumpDrive R series
Document type:
Technical datasheet / Product specification
Mounting options:
Wall-mounted or cabinet-mounted
Voltage range:
3~380 V AC to 480 V AC, optional extended ranges
Frequency:
50–60 Hz ±2
Ambient conditions:
-10 °C to +50 °C, 5–95% relative humidity, non-condensing
Inputs/Outputs:
2 analog inputs, 1 analog output, 4 digital inputs, 2 relay outputs
Communication interfaces:
Modbus RTU standard, optional Profibus DP, Modbus TCP, ProfiNet, Ethernet IP, DeviceNet
Protective functions:
Overcurrent limitation, PTC monitoring, phase failure protection, motor-end short-circuit monitoring, overvoltage/undervoltage monitoring, dry running/hydraulic blockage protection
Control:
Open-loop and closed-loop operation, integrated PID controller, sensorless pressure and flow rate control
Additional features:
Programmable start/stop ramps, vector control, automatic motor adaptation, deragging function, standby mode, energy savings counter, service interface
Document status:
Typical tender, subject to technical modification
Date:
27 October 2021
Year:
2024
Region / City:
Victoria, Australia
Subject:
Solar Inverter Communication Standards
Document Type:
Ministerial Order
Organization / Institution:
Victorian Government
Author:
Victorian Government
Target Audience:
Solar inverter manufacturers, communication providers, and system integrators
Period of validity:
From 1 October 2024
Approval Date:
Not specified
Modification Date:
Not specified
Year:
2017
Region / city:
N/A
Topic:
Battery management system, inverter interfacing
Document type:
Technical guide
Author:
N/A
Target audience:
Engineers, technicians
Effective date:
N/A
Date of approval:
N/A
Date of amendments:
N/A
Note:
Year
Subject:
Inverter certification and listing requests
Document Type:
Request Form
Target Audience:
Manufacturers and testing laboratories
Year:
N/A
Region / city:
N/A
Topic:
Power system, wind energy, inverter systems
Document type:
Technical specification
Organization:
N/A
Author:
N/A
Target audience:
Engineers, power system designers
Effective period:
N/A
Approval date:
N/A
Date of amendments:
N/A
Note:
Year
Year:
2023
Region / City:
United States
Topic:
Electrical and Mechanical Specifications for Emergency Lighting Systems
Document Type:
Technical Specification
Organization / Institution:
Trystar
Author:
Trystar
Target Audience:
Manufacturers, Engineers, and Technicians in the field of Electrical Power Systems
Period of Validity:
Ongoing
Approval Date:
N/A
Date of Amendments:
N/A
Year:
2024
Region / city:
California
Topic:
Energy / Utility Regulations
Document type:
Resolution
Organization / institution:
Public Utilities Commission of the State of California
Author:
Energy Division
Target audience:
Utilities, Industry Stakeholders, Regulatory Bodies
Effective period:
December 19, 2024
Approval date:
December 19, 2024
Amendment date:
N/A
Document Type:
Technical Guide Specifications
Product Name:
Single Phase UL 924 Central Lighting Inverter (500 to 2700 Watts)
Equipment Type:
Floor Mount Central Lighting Inverter System (UPS)
Manufacturer:
Perfect Power, Inc.
Website:
www.perfectpower.com
Applicable Standards:
UL 1778; UL 924; FCC Part 15 Subpart J Class A; NEMA PE-1; NFPA 101; ANSI C62.41 (IEEE 587); ANSI C62.42.45 (Cat. A and B); UL 1449 4th Edition
Certification Body:
Intertek
Battery Type:
Valve Regulated Lead Acid (VRLA)
Battery Autonomy:
Minimum 90 minutes at full load (25°C)
Output Power Range:
500 to 2700 Watts
Input Frequency:
60 Hz ±4%
Output Frequency:
60 Hz ±0.5 Hz
Output Waveform:
Sinusoidal
Total Harmonic Distortion:
< 5% at full rated load
Efficiency:
Greater than 90% (typical)
Transfer Time:
Zero (no break transfer)
Protection Features:
Overload protection; short circuit protection; low battery voltage disconnect; over-temperature protection; surge protection (optional TVSS)
Communication Interfaces:
RS232; RS485; Web communication; Dry contacts
Testing Requirements:
Documented factory functional test report available upon request
Quality Assurance:
ISO 9001 certified manufacturer; minimum twenty years of UPS design and manufacturing experience
Installation Type:
Floor mount
Year:
2026
Region / City:
Chidambaram, Tamil Nadu, India
Subject:
Photovoltaic energy systems, intelligent control, battery management
Document Type:
Research paper
Institution:
Annamalai University, Department of EEE
Authors:
K. Vinoth Bresnav, Dr. S. Singaravelu
Target Audience:
Electrical engineering researchers and practitioners
Methodology:
ANN-based MPPT, bi-directional DC-DC converter, three-level NPC inverter, PI control
Simulation Environment:
MATLAB/Simulink
Key Components:
Standalone PV system, lithium-ion battery, DC link, three-phase AC load
Applications:
Off-grid renewable energy systems, dynamic load management
Performance Metrics:
MPPT efficiency, battery management effectiveness, AC output stability
Keywords:
ANN, MPPT, PV system, Bi-Directional Converter, NPC Inverter, DC Link, PI Controller