Dual voltage alternator for automotive applications

  • 133 Pages
  • 2.86 MB
  • English
University College Dublin , Dublin
Automobiles -- Electric generators., Automobiles -- Electric equipe
Statementby Ciaran J. Patterson.
ContributionsUniversity College Dublin. Department of Electronic and Electrical Engineering.
The Physical Object
Paginationvi, 133p. :
ID Numbers
Open LibraryOL17202720M

Using dual alternators in a motor vehicle typically serves one of a handful of engineering design purposes.

Download Dual voltage alternator for automotive applications FB2

In vehicles likely to function for long periods of time without maintenance or vehicles likely to sustain heavy damage during the course of regular use, a second alternator can serve as a Dual voltage alternator for automotive applications book power generation system in the event that the primary system fails.

A dual-voltage alternator is a single alternator which produces two simultaneous and independently regulated electrical outputs, as shown in Fig.

means that a vehicle with a single dual voltage alternator will be capable of powering, simultaneously, both the standard vehicle 12 volt electrical system (which powers lights, horn, instruments) and also to power another electrical system Cited by: 8.

This paper describes the development of a new design of automotive alternator which allows the DC output voltage to rise to 32 V which is more suited to efficient supply of heater loads. This utilises more of the alternators output capability while retaining the traditional 12 V standard for the many other loads not suitable for higher voltage.

With an ever increasing amount of installed electrical load in modern automobiles there is a corresponding increase in the demands placed on the automotive electrical system. This system's inability to supply these demands efficiently at 12 V suggests that a new higher system voltage will soon become necessary.

Unfortunately re-engineering, re-design and parts procurement costs prohibit a. So, dual voltage has flexibility of both low voltage and high voltage loads.

Details Dual voltage alternator for automotive applications FB2

The dc-dc converters are used for charging dual voltage level batteries in automotive applications. All too often, the alternator is condemned as the source of the problem if only battery voltage is present with the engine running. If this is the case, it only means that the alternator is not charging, but does not reveal why.

For some alternators, it’s normal to see as low as 13 volts. Go with a 6 volt alternator. Voltage and amps explained: The only thing you do not have to do when going to 12 volts is replace the wiring since doubling the voltage will drop the amps in half.

The thickness of the wire has to do with amps, not voltage. I think 6 volt automotive systems get a bad wrap. Dim lights, slow wipers, etc. An alternator is defined as a machine which converts mechanical energy to electrical energy in the form of alternating current (at a specific voltage and frequency).

Alternators are also known as synchronous generators. Use of Alternator The power for the electrical system of a modern vehicle gets produced from an. DUAL VOLTAGE Dual voltage electrical systems solve many power requirement problems in today's trucks, buses and motor coaches, but like any specialized technology, dual-voltage establishes its own rules.

Since the inception of the automobile, the electrical system has been called upon to provide power to more and larger on-board components. The test vehicle in question is a Buick Grand National.

The car has aftermarket dual 11" Spal radiator fans drawing approximately 38amps. It's obvious the stock alternator can not produce enough power to keep the voltage in the 14v range.

Signal wires, like from a sensor to the computer do not need to be very big, as the current (amperage) is quite low, but major power wire applications such as alternator, electric motors (windows, locks, etc), and other high-draw items need bigger wire to support the load.

As the distance from the source increases, the diameter must increase as. 48V/12V dual battery DC/DC converter designs use different power components to step-up and step-down the voltage.

However, the recently released LTC bi-directional DC/DC controller from Linear Technology uses the same external power components for the step-up conversion as it does for stepping down the voltage.

MICTUNING Universal Rocker Style Dual USB Car Charger (for iPhone 6 6S Plus Mobile Device, Blue LED Digital Display Voltmeter Monitor Battery Voltage(Blue)) by MICTUNING $ $ 95 $ If the alternators set point was v by the time the alternator gets to °F the limit voltage has been reduced to just V and this does not even consider any voltage drop in the system wiring between the back of the alternator and the battery bank.

It is not at all uncommon to see an alternator charging large deep cycle banks at °F. Universal Alternators. Bosch % New Universal Alternators, available in both and amp versions provide great performance and an upgrade in amperage for many popular heavy duty truck, agricultural and industrial applications.

OE Mopar alternators were continuously upgraded throughout the years, both in max-rated capacity and low-speed charging ability. In the Chrysler alternator. The typical resistance of the Rotor of a 14V automotive alternator is about 8 Ohms.

The inductance of the Rotor is quite large, measured at 1H. If you bypass the regulator, and apply full battery voltage directly to the Rotor (between F1 and Ground), the Rotor current is ~2A, and if you spin up the alternator to ~rpm, the alternator puts.

It is also shown that the alternator system can be used to implement jump charging (the charging of the high-voltage system battery from a low-voltage source). Dual-output extensions of the. Dual Battery Isolator Schematic. After answering numerous questions about different battery isolator schemes, I decided it would be easier to just build a webpage.

Below you will find the basic design of 3 types of battery isolators with the pros and cons of each. Each of our CS Series Dual Bridge Rectifier Alternators are built with the best USA manufactured, top quality components that are available. All alternators are available in standard v type plug-in or Self Exciting (one wire) versions and come in an array of amperage from to amps, and upon special request, up to amps.

The dual voltage level mode of this alternator is a new idea to the performance marketplace. This alternator actually has two operating levels. This can be used to conserve horsepower, or to create a voltage boost mode for competition car audio. By flipping a switch, the voltage could go from a drive-able level to the competition level.

Prices Starting at $ (for amp standard duty single bridge rectifier) General Motors Delphi Automotive type AD series,and amp high output alternator with Heavy Duty Voltage Regulator with Heavy Duty Single Bridge Rectifier or Extra Heavy Duty Dual or Triple Rectifier System.

The AD Series Alternator can be ordered as single rectifier unit or Extra Heavy.

Description Dual voltage alternator for automotive applications EPUB

But that new info means these spikes are manageable by using devices that will tolerate up to VDC; such as VDC rated darlingtons and inserting MOVs in the 30 volt range for protecting your typical 78xx voltage regulator (or better yet, the LMxx series which are optimized for automotive problems).

We are an experienced long-term player in power supplies and the market leader in automotive applications. We are continuously expanding our portfolio in linear voltage regulators to meet our customers' present and future application requirements.

All our linear voltage regulators are especially designed for use in harsh environments. of results for Automotive: Performance Parts & Accessories: Starters & Alternators: Alternators & Generators Painless Performance Ford 3G Alternator Upgrade Kit by Painless.

Browse our wide selection of vehicle specific alternators. High Output Car Alternators at Sonic Electronix Free Delivery by Saturday, Aug. 15 to change zip + Delco Remy heavy duty alternators provide the output required for all school bus applications. Even with the heaviest electrical loads from AC, chair lifts and other auxiliary power requirements, our high output alternators perform at low engine RPM.

The Remote Sense feature will also greatly improve battery charge time. Automotive Alternator Schematic Diagram An automotive alternator is a three-phase generator with a built-in rectifier circuit consisting of six diodes.

As the sheave (most people call it a “pulley”) is rotated by a belt connected to the automobile engine’s crankshaft, a magnet is spun past a stationary set of three-phase windings (called. Adjustable R external voltage regulator w/ 2 pin alternator harness combo.

This unit will work with most OEM and MechMan chrysler units from -and will allow the user to adjust charging voltage anywhere from to volts. Please compare the plug on your alternator.

The Alternator has undergone a series of testing. These processes test for terminal function, voltage stability and integrity of the electronic circuit board.

And, the alternator passed these tests with flying colors. To receive the results of these tests, just contact ACDelco’s customer service department. Lubricated Components. The alternator feedback signal (Channel B) is a pulse-width-modulated voltage waveform dependent on the alternator current output: with a low load, the waveform is around 0 V for approximately 60% of its cycle duration; at high loads it is around 12 V for approximately % of its cycle duration.Delco Remy 55SI™ High Output Heavy Duty Brushless Alternator.

From 12 volt applications such as utility & work trucks, fire trucks, and long haul trucks with auxiliary power units to 24 volt applications like wheel loaders, graders and mining equipment, the Delco Remy 55SI is designed to take on the demanding electrical loads of today's heavy duty vehicles.The smart alternator system allows the vehicle to control the output voltage from the alternator based on vehicle operating conditions to reduce electrical load and in turn mechanical load on the engine by the alternator, this renders it unsuccessful at charging a secondary battery system to a usable level.