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| Two Phase Electrical Power began very early for large buildings. Originally known as a polyphase alternating current electric power distribution system. Two circuits were used with four wires, two for each phase. Some early two-phase generators had two complete rotor and field assemblies, with windings physically offset to provide two-phase power. By the early 1900's, two-phase power was superseded with three phases except for commercial distribution in center city Philadelphia. PECO Energy has continued the service due to the difficulty in changing the internal electrical systems
inside all the buildings that still depend on it. Contact us for Modifications, secondary Transformers, Converters for Commercial and Industrial. Ask Able Group .net for an electrician in Delaware County, Philadelphia, PA, New Jersey, Wildwood, Cape May, Atlantic City, NJ |
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Ask Us About It: Phase Converter Information & Electrical Trade Topics: 3Phase Service, Aerial Electrical Cables, Utility Meter Separations, Electrical Phase Changer, Rotary Phase Converter and Buss Duct. Electrical Three Phase Power Supply for Your Equipment. Ask us about a Two Phase Converter. Commercial-Industrial Utility Power Conversion for the Workplace. |
Count on Us; We are the "Two Phase Problem Solvers"
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Two-Phase Electric Service? Ask me about it. |
| Many properties in the city are stuck with the oldest type of commercial electrical service "two-phase". This was the norm 100 years ago, many properties are permanently wired for it so it remains active today. Ask us about ways to deal with your electrical service limitations. We can provide the circuits required for any new equipment.
Call us about aerial or underground utility connections for service entrance power panels. Hard to find circuit breakers, motors and control panels. Two-Phase electrical service experts for elevator motors and special equipment. High reach bucket truck service. Our Electrical Service Upgrades Include: 200 amp, 400 amp, 800 amp to 2000 amp. Voltages - 4160v, 480v., 277v. 208v. 120v. Facility Services for Apartments, Electrical, Plumbing, Heating, Air-Conditioning. |
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Electrical Power Info and and costs by email, |
Transformers. Step up, step down. buck-boost.
The ratio of the peak voltages and peak currents in the primary and secondary windings are determined by the ratio of the number of turns in the primary and secondary windings. The latter ratio is usually called the turn ratio of the transformer. If the secondary winding contains less turns than the primary winding, the peak voltage in the secondary circuit is less than that of the primary circuit. | |
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Correct Electrical
for Your Commercial and Industrial Facility, power, 480V., 208V., 120V., 277v. Repairs to fused disconnects, magnetic motor starters, electromagnetically operated contacts, push buttons for equipment - start and stop. Research for connected motor load and control circuits with momentary contact devices. Connections to the coil of the magnetic motor starter performs this start and stop function. A 3-pole full-voltage magnetic motor starter is made up of the following components: a set of stationary contacts, a set of movable contacts, pressure springs, a solenoid coil, a stationary electromagnet, a set of magnetic shading coils, and the moving armature. |
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This photo is typical of an old, fused, five wire, two-phase service.
A "Phase Converter" is the most cost effective way to produce three phase power from any electrical service.
Basically it's an electrical motor / generator. Single phase input. Three phase output. |
Center City Philadelphia - What to do when 3 Phase is needed? The answer - Three Phase Converters. You can generate 3 phase power with a Rotary Phase Converter.
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Other Notes: A four-wire system with symmetrical voltages between phase and neutral is obtained when the neutral is connected to the "common star point" of an all supply windings. All three phases will have the same magnitude of voltages to the neutral in such a system. Other non-symmetrical systems have been used. In a high-leg delta system, one winding of a delta transformer feeding the system is center-tapped. This setup produces three voltages. If the voltage between center tap and the two adjacent phases is 100%, the voltage across any two phases is 200% and neutral to "high leg". Most 3-wire distribution systems need one less conductor and help redistribute unbalanced loading during transformation going back to the generation source. The 4-wire wye neutral wire is for more voltage selections. Faults on one phase to ground will cause a protection event locally and not involve other phases or other connected equipment.
Our Service Upgrade Package includes - Removal of all existing electrical service equipment, cables, fuse boxes, meter socket, etc. Furnish & Install a NEW Exterior Cable Drop (overhead type service), Meter Socket, Entrance cable, Circuit Breaker Panel, Circuit Breakers for all circuits and labeled accurately, Code Required Grounding, Final Connections & Clean-up.
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| Electrical primary and secondary circuits - changes and upgrades. Aerial or underground utility connections for service entrance power panels. Hard to find circuit breakers, motors and control panels. Two-Phase electrical service experts for elevator motors and special equipment. High reach bucket truck service.
We cover areas surrounding: New Jersey Shore Points, Chester Montgomery Counties, Philadelphia, PA. Wildwood, Cape May, Atlantic City, NJ. All parking lot electrically related construction. Need a electrical contractor for multiple properties? Contact us for circuit breakers, fused disconnects, electrician, transformer. Electrical safety inspections checking your circuit breakers, GFI receptacles, grounding rods and cold water pipe grounding.
We are installers for: main lug panel, cadmium connectors, MC wire, SER cable, SEU cable, twist-lock receptacles, power poles and floor receptacles for your mid-floor electrical needs. 
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Mechanical & Motor Work, Electrical Equipment, Electric Service Upgrades Online Estimating. |
Contact us for more info on three phase, two phase, single phase electricals. Servicing properties around center city Philadelphia.
Industrial Power Consultant.
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| Get Action & Information for Heavy Equipment Power Supply. |
| Free Estimates & Consultation. Electric Service Re-Design for Future Needs. |
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Power Supply for Large Equipment.
Our "design-build" experience for heavy power installations are shown here. Replacements for buss bars, buss straps and large frame circuit breakers often cause headaches in old buildings. Existing service modifications for best economics and long term thinking are necessary for any property. Heavy switch and over-protection gear repaired and replaced. We handle power supply to heavy equipment of any size. |
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Utility Service Capabilities.
Code Compliance.
Size of Enclosures, Conductors, Breakers, Starters, etc
Advice on purchasing Transformers and Panels.
Motor Size, Phase, HP, Voltage.
Recommendations on Connections.
When to use Buss Duct or Power Trough.
For industrial applications and backup/emergency power needs, this 7,000 watt modified sine wave inverter delivers enough durable power for high end equipment that requires substantial electricity. This digitally outputted and phase corrected inverter is the recommended power solution for clean, reliable output without noise or distortion. Delivering an incredible 7,000 watts of continuous power, this utility-grade inverter was
designed to reproduce the quality of electricity provided by power companies to create a stable AC power source.
Heavy Power can be found here:
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Buck boost transformers are single phase, four winding transformers designed for two purposes. The first is to reduce or raise line voltage from five to 20 percent. A good example is boosting 208 volts to 230 volts. They have a dual voltage primary and a dual voltage secondary.
The second use of buck boost transformers is to use them as low voltage isolation transformers for use on 12, 16, 24, 32, or 48 colt circuits. They have capacities of .050 kVA to 5.0 kVA. Some of the applications include low voltage landscaping lighting, and they are UL listed for outdoor service.
Buck boost transformers are ideal for changing line voltage by small amounts. Some of the major advantages for using buck boost transformers are their low cost, compact size and light weight. They are also more efficient and cost less than isolation transformers. When connected as autotransformers, they can handle loads up to 20 times the name plate rating. A great source for all of your buck boost transformers is TEMCo Buck Boost Transformers. You can be assured when buying a transformer, TEMCo or Acme Transformers are the best transformers for your money.
When the buck boost transformer has the primary and secondary windings connected, it becomes an autotransformer. With this technology, only the secondary windings are transforming voltage and current. The majority of the KVA load passes directly from the supply to the load. This is the reason autotransformers can supply a load with a larger KVA rating than the nameplate indicates. |
Many properties in the city are stuck with the oldest type of commercial electrical service "two-phase". This was the norm 100 years ago, many properties are permanently wired for it so it remains active today. Ask us about At 7,000 watts, the Industrial Grade Modified Sine Wave Power Inverter promises to be a complete solution for any power need you present. From recreation to industrial applications and backup/emergency power needs, this 7,000 watt modified sine wave inverter
delivers enough durable power for high end equipment that requires substantial electricity. This digitally outputted and phase corrected inverter is the recommended power solution for clean, reliable output without noise or distortion. Delivering an incredible 7,000 watts of continuous power, this utility-grade inverter was designed to reproduce the quality of electricity provided by power companies to create a stable AC power source. This inverter supplies ample power to run large pumps, compressors, power tools, multiple appliances, job sites and even a small house! It has
PWM programming which corrects any fluctuation in voltage or frequency caused by battery fluctuation or sudden surges in power usage. It also has a longer than average surge time (9 seconds when over 7,000 watts). Features 7000W max continuous power Modified sine wave Power switch LED is also a self test light - Green Overload fail LED - Red Over Temperature LED indicator Over Load LED indicator 2 AC receptacles On/off switch Over Temperature protection Over Load protection
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#35. Three Phase Power for Your Equipment by Jersey Shore Workers 
