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Power Transformers - Transformer;30VA;Chassis;Pri:115VAC;Sec:48VCT;0.62A;3.25In.In.Lx1.68In.In.Dx1.93 -- 70181185Supplier: Allied Electronics, Inc.
Description: Transformer, 30 VA (Max.) Power Rating Choice of two primaries single primary 115 VAC or dual primary 115⁄230 Either series operates on 50⁄60 Hz Combination solder or quick connect terminals, split bobbin construction means no electrostatic shield is necessary, hi-pot tested to 2 KV
- Transformer Type / Application: Impedance Matching Transformer, Isolation Transformer
- Construction: Split Core
- Primary Frequency: 50 / 60 Hz
- Single Phase Primary Configuration: Single
Supplier: Dynapower Corporation
Description: Dynapower Company is pleased to offer the ULTRACAST line of cast coil transformers, designed for applications that demand high reliability and continuous performance. Developed in the United States, the ULTRACAST process locks the windings in a very strong, high dielectric, epoxy resin, thus
- Transformer Type / Application: Encapsulated Coil
- Cooling Method: Dry-type / Air Cooled
- Primary Frequency: 50 Hz, 60 Hz
- Maximum Secondary Voltage Rating: 600 to 35000 volts
Standards and Technical Documents - C57.12.14-1982 - IEEE Trial-Use Standard for Dielectric Test Requirements for Power Transformers for Operation at System Voltages from 115 kV Through 230 kV -- 10.1109/IEEESTD.1982.81521
Description: Abstract First Page of the ArticleShow More
Supplier: ABB Power Products/Power Systems
Description: The FERROGUARDSM (Type FSR-983) outdoor rated saturable reactor is intended to minimize the possibility of ferro-resonance activity on wire-wound, inductive designs of voltage transformers, distribution transformers, and power transformers. This product is rated 600 V, 10 kV BIL for use
- FIlter Type: Passive
- Signal Type: Single Phase AC
- Nominal Input Voltage: 240 V, Other
Transformers - Transformer, Auto Step Up;750VA;115VAC Vi;230VAC Vo;3.8In.W;3.00In.Wx5.38In.D (M -- 70180983Supplier: Allied Electronics, Inc.
Description: Autotransformer Step Up - Plug In (115 V to 230 V) Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. World wide applications, 50 or 60 Hz. operation, step up (115 VAC to 230 VAC). Input is circuit breaker protected.
- Type: Encapsulated Transformers, Isolation Transformer, Solar Power Transformer
- Mounting / Form Factor: Chassis Mount
- Maximum Primary Voltage Rating: 115 volts
- Maximum Secondary Voltage Rating: 230 volts
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Transformer failure prediction using Bayesian analysis
which i s described and applied t o predict outages f o r a population o f 115 kV power transformers .
The power factor study indicates that the power factor on the traction power transformer 115 kV primary windings is within the requirements of the PG&E Interconnection Handbook, as shown in Table 7.
A comparison of IEC 76 and ANSI C57.12 on transformers
Class 2 power transformer 115 kV through 765 KV .
“ANSI and NEMA or IEC a project decision”
Power Transformers ( 115 kV to 4.16 kV Primary and 13.8 kV to 400 V Secondary in 60 MVA to 500 KVA sizes) 4.
Field experiences using radio frequency scanning (RFS) to detect partial discharge (PD) in bus duct and metal clad switchgear of electrical generating and tran...
… the first case, partial discharge activity in two of three phases of a 13.8 kV air isolated bus duct was detected using radio frequency scanning after suspicions of PD activity in a 115 kV GSU power transformer and a 160 MVA …
Field experiences using Radio Frequency Scanning (RFS) to detect partial discharge in bus duct and metal clad switchgear of electrical generating and transmiss...
In this case, RFS technique was used after suspicions of PD activity in a 115 kV GSU power transformer and a 160 MVA generator was detected using acoustic emission (AE) and EMI tests with Radio Frequency Current Transformers.
Discussion on ¿The selection of insulation levels and tests for high-voltage transformers¿
With regard to test (b) in Section 6.3, one of the large manu- facturers in the United States has been advertising the fact that, for several years, all their large power transformers for 115kV or above are subjected to a …
Fuel Storage Facility Final Safety Analysis Report. Revision 1
115 - kV power . transformer TRR-2 through 'an underground electrical duct bank.
Impact of high solar rooftop PV penetration on voltage profiles in distribution systems
In Fig. 3, distribution system of sub-urban areas are 3 phase 22 kV system fed by 25 or 50 MVA, 115 kV /22kV power transformer .
Loading of Substation Electrical Equipment with Emphasis on Thermal Capability Part II-Application
Have the authors, ap- plied their loadability criteria on large power transformers rated above 115 kV ?
Electric Power Distribution, Sixth edition > Earthing
The study showed the individual earth resistance of the power transformer foundation; 115 kV lead end tower footing; 115 kV, 230 kV, PT, CT supports as 11.1 ohms, 11.6 ohms, 11.78 ohms, 20.5 ohms respectively.
Replacement of the main 115 kV/13.8 kV substation at a large refinery — Justification, design, and implementation
The items for which project technical representatives were sent to witness factory testing were the 15 kV switchgear and associated relaying, 115 kV /13.8 kV power transformers , and Supervisory Control and Data Acquisition (SCADA)/Human Machine Interface (HMI) equipment. 1) .
HVDC power transmission technology assessment
EPRI Report TR-103904, “FlexibleAC Transmission Systems(FACTS): Hardware Feasibility Studyof MinnesotaPower & Light 150MVA, 115kV Thyristor Controlled Power AngleRegulating Transformer (TCPAR)”, Final ReDort from Pro-i.3022-02, Table 5-1, pg. 5-4.
CR4 - Thread: Calculation of Harmonic Currents from LV to Hv side of Power Transformer
I want to calculate for Harmonic Current of various orders at the HV side of the Power Transformer (40 MVA, 115kV / 22.8kV) from known harmonic current injection at MV side.
Arc flash hazard regulation and mitigation
For reference, the 15MVA substation power transformer high side is 115kV grounded wye with a 12.47kV grounded wye secondary and an impedance of 7.8%.