Mx321 avr stamford voltage regulator general power. As an added benefit the regulator enables quadrature droop. The potentiometer is factory set to give a ramp time of three seconds, which is considered to be suitable for most applications. Manual channel control loop associated with the regulation of field current. Adjust the avr stab control slowly clockwise until the voltage is stable. Excitation and automatic voltage regulator system note. Sx460 automatic voltage regulator avr specification, installation and adjustments general description the sx460 is a halfwave phasecontrolled thyristor type automatic voltage regulator avr and forms part of the excitation system for a brushless generator. Depending upon the type of machine being converted, not all the parts listed will be required. Mx341 mx3412 e00023410 e00023412 e000234121p automatic voltage regulator. Avr conversion instructions fitting as440 avr in place of sx440 avr. Excitation power is derived from a threephase permanent magnet generator pmg, to isolate the avr control circuits from the effects of nonlinear loads and to reduce radio frequency interference on the generator terminals. Stamford uci 274 manuals manuals and user guides for stamford uci 274. The engine is a lister petter ac1 series ii and the alternator is a markon. As the genuine stamford voltage regulator has come down in pricing recently, we recommend the oem over this model.
Description the stamford dual avr unit dau has two mx321 avrs arranged for manual switching. We recommend threephase sensing for applications with greatly unbalanced or highly nonlinear loads. The mx321 is provided as standard for the stamford s6 and hc6 alternators and can also be. Excitation power is derived from a threephase permanent magnet generator pmg, to isolate the avr control circuits from the effects of nonlinear. A permanent magnet generator pmg powered excitation system is available as an option using either the mx341 or mx321 avr. Connecting to a home network lan connecting an external control device. Free download books avr mx321 manual printable 2019 everybody knows that reading avr mx321 manual printable 2019 is helpful, because we are able to get too much info online in the reading materials. Mx341 is a two phase sensed automatic voltage regulator and forms part of the excitation system for a brushless generator. Stamford avk dm110 digital excitation control system. If a replacement avr has been fitted or resetting of the volt adjustment is required, proceed as follows.
If you would like to replace an aging stamford mx321 avr by the basler digital avr decs100, please read the instructions in this post. It includes numerous of beneficial features for absolute voltage regulation and monitoring. As a threephase sensed avr, it forms part of the excitation system for brushless generators. Fitting an sx460 avr to a markon sc21g alternator youtube. Newage mx321 avr, replacement same fit form and function as the original newage mx321 generator automatic voltage regulator operation manual self excited. The decs100 is in stock in at powerdist, thus reducing the lead time to 12 days. Avr conversion instructions fitting as440 avr in place.
Stamford avr as440 manual dexterity fertility view. Voltage regulator stamford avr mx3412 spare parts for generators spare parts for marine generators heino winter group. A wide variety of avr mx321 circuit diagram options are available to you, there are 33 suppliers who sells avr mx321 circuit diagram on. These units are installed as a standard from factory on alternator ends hc6 and p7 stamford frames. Used to stabilize the generators voltage as the load changes, the mx321 offers numerous benefits for absolute voltage monitoring and regulation. Scribd is the worlds largest social reading and publishing site. Sx460 automatic voltage regulator avr specification, installation and adjustments general description technical specification sx460 is a halfwave phasecontrolled thyristor type automatic voltage regulator avr and forms part of the excitation system for a brushless generator. Page 1 page 2 page 3 page 4 table of contents page 5 page 6 introduction page 7 principle of operation page 8 application of the generator page 9 page 10 installation part 1 page 11 two bearing generators page 12 direction of rotation page type mx341 avr page 14. An over voltage protection circuit will shutdown the output device of the avr, it can also trip an optional excitation circuit breaker if required. Mx321 automatic voltage regulator avr specification, installation and adjustments general description mx321 is a three phase sensed automatic voltage regulator and tricias compilation for wiring diagram for avr model stamford mx321 pdf read the generating set operation manual and this generator manual and become familiar mx321 avr stamford. Refer to the operation and maintenance manual supplied with the generator for details. Adjust the avr stab control a further 5% clockwise. Jul 11, 2019 avr sx440 manual e000 24030sx460 avr circuit diagram pdf stamford brushless ac generators are available with a choice of sae adaptors to sudden loads applied to the generator, hence the excitation remains at full strength, providing superior motor starting a three phase sensing unit can be added to the as440 avr.
Stamford mx3212 is one of the most advanced regulators stamford has to offer. Piller400 piller nkt generator avr emri2490 siemens, uljanik replacement 6ga2490 emri2491 6ga2491, 6ga2492 avkaick 7. Order from general powers large stock and industryleading lead times which is weeks quicker than the competition. Stamford avr as440 manual dexterity as440 avr wiring diagram pdf. The ufro circuit has adjustable slope and dwell for controlled recovery from step loads. Stamford mx321 automatic voltage regulator stamford avk. Mx321 is a three phase sensed automatic voltage regulator and forms part of the excitation system for a brushless generator. Replacing a stamford mx321 by basler electric decs100. The stamford avr mx321 is one of the most advanced avrs stamford has on offer. Do not exceed the designed safe operating voltage, shown on the alternator rating plate.
Avr conversion instructions fitting as440 avr in place of. Stamford mx321 2 is one of the most advanced regulators stamford has to offer. Stamford avk dm digital excitation control system, french, digital avr. The mx321 2 automatic voltage regulator is used on larger stamford generator alternator ends. Generator automatic voltage regulator operation manual. Retrofitting an automatic voltage regulator to a 1997 diesel generator. Scope this manual contains guidance and instructions for the installation, servicing and maintenance of the generator. In addition to regulating the generator voltage, the avr. In addition to being powered from the main stator, the avr also derives a sample voltage from the output windings for voltage control purposes. We have 1 stamford uci 274 manual available for free pdf download. Check that all the parts listed below are included with this conversion kit. The maxiavr mx321 is a threephase sensed automatic voltage regulator and forms part of the excitation system for a brushless generator.
Make sure that the manual is available to all users throughout the life of the product. A wiring diagram is a streamlined standard photographic depiction of an electric circuit. Three phase sensed avrs, mx321, ma325, ma327,329,330. Field current regulator an automatic control system that maintains the field winding current with a value defined by a reference element. Avr microcontrollers avr instruction set manual other instruction set nomenclature status register sreg sreg status register c carry flag z zero flag n negative flag v twos complement overflow indicator s n. Read all instructions carefully before starting this conversion. Same fit form and function as the original newage mx321. It reveals the elements of the circuit as streamlined forms, as well as the power and signal connections in between the tools. The design employs surface mount technology smt, custom mouldings and heatsinks to produce a compact avr assembly. The avr controls are set at the factory for initial running tests. Notice readjust the voltage level if necessary see section 3.
If an avr fails, regulation can be switched to the other avr, so that the generator set can continue to run until a planned controlled shutdown to replace the faulty avr. Newage stamford mx321 avr automatic voltage regulators. The mx321 is an analogue, 3phase sensing, permanent magnet generator pmg powered automatic voltage regulator avr providing isolation from the effects of nonlinear loads, improved motor starting performance and sustained short circuit current. Technology has developed, and reading avr mx321 manual printable 2019 books might be more convenient and easier. Stamford avr sx440,sx460,mx321,mx341,mx3422,as440,as480. The mx321 allows 3 phase sensing, short circuit limiter, over voltage adjustment and dwell used when the alternator is coupled to a turbo charged engine with a limited block load acceptance.
This regulator allows 3 phase sensing which is constantly sensing the voltages across all 3 lines vs just 2 lines like on other standard avrs. Excitation power is derived from a threephase permanent magnet generator pmg, to isolate the avr control circuits. The mx3212 automatic voltage regulator is used on larger stamford generator alternator ends. Regulator avr specification installation and adjustments general description technical specification the as480 is a half wave phase controlled avr which forms part of the excitation system of the brushless generator. V, for signed tests h half carry flag t transfer bit used by bld and bst instructions i global interrupt enabledisable flag. Voltage regulator stamford avr mx3212 generator parts from stamford spare parts for marine generators heino winter group. Self excited automatic voltage regulator use for reference purpose only and not a genuine newage product. The manual should be considered as part of the product and should remain with the product. Stamford brushless ac generators are available with a choice of sae adaptors to sudden loads applied to the generator, hence the excitation remains at full strength, providing superior.