№ files_lp_4_process_2_61327
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This research paper analyzes the effect of Load Tap Changer (LTC) transformers on voltage profile optimization and power losses in electrical power systems using Newton-Raphson method and MATLAB simulations.
Note:
Year
Topic:
Power System, Voltage Control, Load Flow
Document Type:
Research Paper
Author:
Najimaldin M. Abbas, Parween Raheem K. AL-Dawodi
Target Audience:
Engineers, Researchers in Electrical Power Systems
Price: 8 / 10 USD
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2026
Region / City:
Fayetteville, Arkansas
Theme:
Facilities Management, Procurement
Document Type:
Invitation for Bid (IFB)
Agency:
University of Arkansas
Author:
University of Arkansas
Target Audience:
Vendors, Bidders
Period of Validity:
January 15, 2026 – January 30, 2026
Approval Date:
January 15, 2026
Modification Date:
Not provided
Year:
2025
Region / City:
Global
Topic:
Energy / Transformer Maintenance
Document Type:
Course Syllabus
Institution:
EON Reality Inc
Author:
EON Reality Inc
Target Audience:
Energy Technicians, Maintenance Professionals, Transformer Maintenance Specialists
Certification:
EON Integrity Suite™ Certification
Standards:
IEEE, ASTM, IEC
Duration:
Not specified
Date of Approval:
10/31/2025
Last Updated:
Not specified
Year:
2016
Region / City:
Canada, United States
Subject:
Medium Voltage Distribution Transformer
Document Type:
Technical Specification
Organization:
Hammond Power Solutions
Author:
Not specified
Standards Referenced:
DOE 10 CFR Part 431, NRCan SOR/2018-201, Ontario Green Energy Act ON Reg.404-12, IEEE C57.12.01, CSA C9-02, NEMA ST-20, UL 1562
Voltage Levels:
1.2kV to 5kV
Transformer Type:
Dry-type, single and three-phase
Efficiency Standards:
DOE 2016, NRCan 2019, Ontario 404/12 (2018)
Warranty:
1 year limited
Testing:
Production tests, type tests on request, temperature rise, sound level, short circuit, BIL, partial discharge
Construction:
Convection air cooled, aluminum or copper windings, high-grade silicon steel core
Enclosure:
Type 3R (various options), ANSI 61 Grey finish
Primary & Secondary Voltage Taps:
As per NEMA standards
Target Audience:
Electrical engineers, procurement, and utility professionals
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
Year:
2022
Region / City:
Thiruvananthapuram
Theme:
Electrical infrastructure
Document Type:
Tender
Organization:
Rajiv Gandhi Centre for Biotechnology (RGCB)
Author:
Not specified
Target Audience:
Contractors, Bidders
Validity Period:
Six months
Approval Date:
07.03.2022
Amendment Date:
Not specified
Note:
Year
Organization / Institution:
Shanghai Huaming Power Equipment Co., Ltd.
Voltage:
50Hz, 60Hz
Rated Capacity:
(value) MVA
Rated Voltage:
(value) kV
Ambient Temperature:
-25~+40°C, -40~+40°C
Insulation Strength:
Rated AC withstand voltage (kV/50Hz, 1min)
Max. Rated Current:
(value) A
Additional Requirements:
With supporting frame, With cabinet
Year:
2019
Region / City:
Jabalpur, Madhya Pradesh, India
Subject:
Supply and installation of electrical transformer
Document Type:
Tender document
Organization:
Jabalpur Sahakari Dugdh Sangh Maryadit
Technical Consultant:
Marigo Consultants, Indore, M.P., India
Contact Email:
[email protected]
EMD Amount:
Rs. 20,000
Tender Document Cost:
Rs. 1000 + GST
Last Date for Tender Purchase:
12/09/2019, 12:00 pm
Last Date for Bid Submission:
13/09/2019, 12:00 pm
Date of Bid Opening:
13/09/2019, 04:00 pm
Project Duration:
60 days from work order
Certification:
ISO 9001:2008 and 22000:2005
Document type:
Technical instruction
Subject:
Calibration of gain, power, energy, and phase in EMDC systems
Applicable hardware:
Shunts or current transformer (CT) current sensors
Operating modes:
Basic mode (Calibrate power); Advanced mode (Calibrate energy)
Parameters:
voltageSF; currentSF; activePowerSF; reactivePowerSF; phaseCorrection; TPU; WSD; FSD; WSR; FSR
ADC sampling frequency:
4 kHz
Example AC signal frequency:
60 Hz
ADC oversampling rate (OSR):
Defined by system configuration
Referenced file:
hal_adc.h
Referenced definitions:
HAL_ADC_V_ARRAY_LENGTH; HAL_ADC_I_ARRAY_LENGTH
Target device:
EMDC-programmed MCU
Calibration angles:
0° and 60°
Note:
Year
Topic:
Electrical engineering
Document type:
Paper
Target audience:
Experts in electrical engineering
Year:
2026
Type:
Technical datasheet
Category:
Electronic component
Standard compliance:
IEEE 802.3af/bt (PoE)
Input voltage range:
7V–72V
Operating temperature:
-40°C to +85°C
Storage temperature:
-40°C to +125°C
Moisture sensitivity level:
MSL 1
Termination material:
RoHS tin-silver-copper over tin over nickel over phosphor bronze
Frequency range:
up to 300 kHz
Weight:
6.3 g
Package size:
EP13 5+5
Manufacturer part numbers:
LP13P-33L, LP13P-50L, LP13P-12L, LP13P-19L, LP13P-24L, PA1136NL, PA1137NL, PA1138NL, PA1260NL, PA1269NL, PA1276NL, PA1309NL, PA1460NL, PA1528NL, PA1528ANL, PA1769NL, PA2271NL
Isolation voltage:
1500 Vrms
Power ratings:
3.3V–24V output at specified currents
Year:
2022
Date:
September 09, 2022
Organization:
Fayetteville Public Works Commission
Location:
Fayetteville, North Carolina
Address:
955 Old Wilmington Rd, P.O. Box 1089, Fayetteville, North Carolina 28302-1089
Telephone:
(910) 483-1401
Website:
www.faypwc.com
Document Type:
Bid Addendum
Addendum Number:
2
Bid Number:
PWC2223002
Subject:
67,000V WYE with High Voltage LTC to 13,800V DELTA Full Load Continuously at 37.34 MVA at 65 C Generator Step-Up Transformer (GSU)
Procurement Manager:
Trent Ensley
Commissioners:
Wade R. Fowler, Jr.; Evelyn O. Shaw; Ronna Rowe Garrett; Donald L. Porter
Interim CEO/General Manager:
Marion J. Noland
Original Bid Due Date:
Extended
New Bid Due Date:
October 20, 2022 at 2:30 pm
Addendum Requirement:
Signed copy to accompany bid submission
Note:
Year
Topic:
Electrical Engineering
Document Type:
Quotation Form
Organization:
WTU
Target Audience:
Engineers, Quotation Specialists
Year:
2016
Manufacturer:
Trystar
Document Type:
Technical Specification
Region / Market:
United States, Canada
Standards:
DOE 10 CFR Part 431, C802.2-12, ANSI C57.110 & C62.41-2002, IEEE 519-2014, NFPA 70, FIPS Pub 94, UL 1561, CSA C22.2 No. 47-13
Rated Power:
5 kVA – 25 kVA
Phase:
Single Phase
Cooling Type:
Convection Cooled
Insulation Class:
Class N, 200C
Construction:
Copper wound, multi-shielded, isolation transformer
Efficiency:
Meets or exceeds DOE 2016 high efficiency standards
Target Audience:
Electrical engineers, facility managers, designers of power systems
Optional Features:
NEMA 2 or NEMA 3R cabinet, triple-shielded for enhanced noise attenuation
Compliance:
RoHS
Purpose:
Power conditioning for harmonic-rich, non-linear loads
Installation Requirements:
Floor mounted, labeled wiring, clearances per specification
Year:
2019
Agency:
Department of Veterans Affairs
Contracting Office:
Network Contracting Office (NCO) 2248
Solicitation Number:
36C26219Q0410
Response Deadline:
03-06-2019 11:00 AM Pacific Time
Place of Performance:
VA Long Beach Healthcare System, 5901 East 7th Street, Long Beach, CA 90822
NAICS Code:
811219
Set-Aside:
100% Small Business
Type of Contract:
Firm-Fixed Price (FFP)
Period of Performance:
365 calendar day Base Year with up to Four Option Years
Point of Contact:
Cecil S. Nichols, [email protected]
Site Visit Contact:
Rafael Vila, [email protected]
Provisions/Clauses:
FAR 52.212-1 through 52.212-5, FAR 52.217-8, FAR 52.217-9
Special Standards of Responsibility:
Contractor Business License required by State of California
Submission Instructions:
Submit quotes via email referencing RFQ #36C26219Q0410
Year:
2026
Location:
Not specified
Document Type:
Inspection form
Department / Organization:
Department of Environmental Health and Safety
Target Audience:
Maintenance and safety personnel
Purpose:
Assess transformer condition and identify hazards
Date of Issue:
2026-03-12
Date of Last Update:
Not specified
Inspection Items:
Corrosion, leaks, pad clearance, fire/safety/environmental hazards, evidence of release
Año:
2021
Región / ciudad:
Nueva York
Temática:
Ayuda financiera educativa
Tipo de documento:
Guía informativa
Organismo / institución:
New York State Higher Education Services Corporation (HESC)
Autor:
No especificado
Audiencia objetivo:
Residentes del estado de Nueva York, estudiantes de nivel universitario
Período de vigencia:
No especificado
Fecha de aprobación:
No especificado
Fecha de modificaciones:
No especificado
Note:
en
Protocol Title:
Click or tap here to enter text.
Year:
2023
Region / City:
Massachusetts
Topic:
Lead and Copper in Drinking Water
Document Type:
Consumer Notice
Organization / Institution:
Massachusetts Department of Environmental Protection (MassDEP)
Author:
Massachusetts Department of Environmental Protection
Target Audience:
Consumers of Public Water Systems
Validity Period:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Bid Item # & Description:
Contract Quantity / Final Quantity
Year:
Not specified
Region / City:
Not specified
Topic:
Construction, Quality Control, Mix Design
Document Type:
Form, Report
Organization / Institution:
Not specified
Author:
Not specified
Target Audience:
Contractors, Quality Control Managers
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Project Name:
Click or tap here to enter text
Project Tracking Number:
21-FP-UUU-XXXX
Scope of Work:
Hazardous Fuels Reduction / Wildfire Prevention Planning / Wildfire Prevention Education
Degree of Risk:
Specify location relative to fire hazard severity zones
Community Support:
Matching funds, in-kind contributions, community communications
Project Implementation:
Timeline, milestones, measurable outcomes, compliance with CEQA
Administration:
Previous project experience, project oversight responsibilities
Budget:
Detailed project budget, narrative description, equipment use, cost justification
California Climate Investments:
Greenhouse gas emissions reduction strategy