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APPLICATION TYPICALLY USED IN RENT SECTOR OR WHEN TESTING EQUIPMENT WITH DIFFERENT FREQUENCIES AND VOLTAGES. If our customer requires a machine that switches from 50Hz to 60Hz, the voltage must be adjusted according to the request: Installation of the AVR in the control panel. Fine voltage adjustament: By acting on the AVR By acting through a potentiometer mounted on the genset control panel…
The construction types can be both SINGLE-BEARING (STANDARD) and DOUBLE BEARING. The double bearing is less required, more expensive and it involves the use of an additional component, the flexible coupling. KEEP IN MIND The alternator shaft is supported by two bearings making the machine more robust. In the front part there is the alternator shaft that will be coupled to the engine…
There are different types of AVRs available, which can be used depending on the application. WHAT IS AVR ? IT IS AN ELECTRONIC DEVICE; IT ADJUSTS THE ALTERNATOR OUTPUT VOLTAGE; IT PARTLY PROTECTS THE ALTERNATOR; IT STABILIZES THE OUTPUT VOLTAGE; NORMALLY IT IS MOUNTED ON BOARD OF THE ALTERNATOR. KEEP IN MIND Each Alternator manufacturer has their own types of AVRs with their own technical…
The PMG (Permanent Magnet) directly powers the AVR; in this way, the load and the AVR are isolated, the AVR continues to be powered and it is less affected by the voltage fluctuations that may be present in the load. By isolating the AVR , it allows to get better load acceptances. SOME EXAMPLES OF APPLICATIONS THAT REQUIRE PMG: UPSs (static uninterruptible power supplies) INVERTER and SOFT…
A protection systems capable of withstanding the harm caused by the various different types of attack encountered. In severe environmental conditions, the traditional polyester varnish applied to the windings can be subject to ageing or premature corrosion. In such cases, the machine protection should be reinforced. Typically these are special resins that act as a physical barrier to humidity,…
On the alternators, each of the openings associated with the cooling-air path must be fitted with a screen and, on occasion, an additional louver to comply with the relevant EU Directives for ac generators (alternators); primarily to protect against the ingress of solid objects, plus the harmful ingress of liquids. Canopy Additional protection Special inlet AIR filters with different IP…
It is an electric resistance, inserted in the alternator structure. It keeps the alternator heated in the period in which it is not in use. The anti-condensation heating works when the alternator is not in service. It is highly recommended for applications close to aggressive environments (humidity, high salinity, high thermal excursion). Different types are available, depending on the…
Generators typically have engine mounted radiators and fans for heat transfer and cooling. This system works well for the vast majority of backup/standby power applications. However, in cities and other areas where real estate can be pricey and space is at a premium, generators may need to be located inside a building – sometimes in the basement. Indoor installations, however, present an…
What is a heat exchanger?amf+mrs it is a plate exchanger equipped with a primary circuit on which the engine cooling circuits run and with a secondary circuit which goes to a remote radiator. How does it work? the engine indipendently runs the primary circuit fluids (for this reason the heat exchanger must be installed close to the engine) the secondary circuit goes to a remote radiator and…
For Generating sets usually placed in coastal and offshore areas with high salinity, we offer high-customized solutions on request based on customers specifications. 
The experience we gained in the development and design of Guard Evolution control panel has allowed us to deeply understand the specific market needs: efficiency and versatility to optimize time and operating. That process led us to start the cooperation with Comap, in order to develop an even more efficient device that can be applied in whole our range, a synergy of expertise to create a NEW and…
ATS-C is a new line of changeover switch panels developed and produced by Visa S.P.A. in accordance with IEC standards CEI EN 61439-2 (construction standard) for powers up to 125A. In their specific use with generating sets the changeover switch panels allow the changeover between mains/genset or genset/genset.
ONIS VISA In Sync 200, a new paralleling genset controller equipped with a 4” display b/n high contrast. The intelligent electronic control panel ONIS VISA In Sync 200 is suitable for Onis Visa generating sets: it is a highly flexible, intuitive and scalable solution for generators parallel systems. By modifying a setpoint, it is possible to switch from Gen-to-Mains to Gen-to-Gen Parallel; Extra…
ATS-M is a new line of changeover switch panels for generating sets developed and produced by Visa S.p.A. in accordance with IEC standards CEI EN 61439-2 (construction standard) for powers up to and exceeding 125A. Distinguished by a sturdy and reliable motorised or contact-powered control, the ATS panels allow the customer to carry out remote mains-genset or genset-genset switching operations.
ONIS VISA In Sync 500, a new paralleling genset controller equipped with a large 5” colour display and 800x480 resolution. The intelligent electronic control panel ONIS VISA InteliGen 500 is suitable for Onis Visa generating sets: it is a highly flexible, intuitive and scalable solution for generators parallel systems. By modifying a setpoint, it is possible to switch from Gen-to-Mains to Gen-to-…
InteliGenNTC BaseBox is a comprehensive controller for both single and multiple gen-sets operating in standby or parallel modes. The detachable modular construction allows easy installation with the potential for many different extension modules designed to suit individual customer requirements.
The DSE4520 Controller is a compact Auto Mains (Utility) Failure Control Module that has been developed to provide A range of features within a compact SYSTEM. Monitoring an extensive number of engine parameters, the module will display warning, shutdown and engine status information on the backlit LCD screen, illuminated LEDs, remote PC and via SMS text alerts (with external modem).
The DSE7320 is an Auto Mains (Utility) Failure Control Module suitable for a wide variety of single genset applications. Monitoring engine parameters, this module will display warnings, shutdown and engine status information on the back-lit LCD screen, illuminated LEDs, remote PC and via SMS text alerts (with external modem). The module can be easily configured using the DSE Configuration Suite…
The DSE8610 is an easy to use Synchronising Auto Start Control Module suitable for use in a multi-generator loadshare system, designed to synchronise up to 32 generators including electronic and non-electronic engines.
The DSE8620 is an Auto Mains (Utility) Failure Control Module suitable for paralleling single gensets (diesel or gas) with the mains (utility) supply.
ONIS VISA PW005 is the configuration that allows extreme freedom in configuring the machine for the end customer. Suitable for manufacturers and qualified electricians, it allows an external customised panel to be inserted according to the system's requirements thanks to the pre-configured connections. All available operating and sensor cables coming from the engine and alternator are numbered…

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