March 15th, 2019 basler decs 200 avr automatic voltage regulator the decs 200 can accommodate. How is your system configured to manage the 52jk and 52lm inputs. These inputs are what defines operational modes for the avr. Kits are supplied with an escutcheon and screws for securing the escutcheon to the decs 250. Fcr field current regulation this input accepts a momentary contact closure that places the decs200 in. Decs 250n, digital excitation control system with negative forcing.
Decs200 digital excitation control system general power limited. Decs250n, digital excitation control system with negative. Basler decs200 not showingsensing field current, need. True rms sensing, single or three phase 32vdc, 63vdc, and 125vdc outputs at 15adc 0. Decs2100, digital excitation control system basler electric. Only qualified personnel should install, operate, or service this system. By using the decs 200 logic as rscd250replace august, 2019 basler makes it easy to apply a decs 250 as a replacement to a decs 200 figure 3. The decs 200 has all the features, functionality, flexibility. Field current regulation operating mode decs 400 provides a manual. A33 and a34 parallel and a35 and a36 var using combinations you can get different control modes. Decs specifications, continued irigb time sync standard. This bid is for one unit lot of four basler decs200 digital excitation control decs200. The decs 200 is a total excitation control system in one enclosure and contains all the functionality. If transfer to manual is selected and a loss of sensing occurs, the relay output closes, and the decs 100 transfers to the manual mode of operation after the adjustable time delay expires.
Basler electric providing quality electrical products. Real time monitoring and builtin test provisions simplify system testing and reduce commissioning time. In the unlikely event of this is an open protocol with all registers and operating a failure of the first decs 200, protective relays can initiate a instructions available in the instruction manual, to make it simple transfer of control from the first to the second decs 200. Basler decs200 not showingsensing field current, need help. The decs 2100 is an extremely powerful and flexible excitation system that precisely controls, protects, and monitors synchronous. Basler decs200 digital excitation control unit decs200. If you can find an older basler ssr or sr4 manual online it has a diagram of a similar test setup and procedure. Fortunately the decs 250 was designed to supersede all the functions of the decs 15 to allow for easy upgrade to the new digital voltage regulator please note that this post is valid for the following basler. Page 4 decs 400 digital excitation control system specifications, continued irigb time sync standard.
Vrm2020 is an optional remote device for the dgc2020hd to provide excitation to the field of a brushless exciter for automatic voltage regulation varpf control. Loss of field excitation on basler decs 200 electric. Due to recent policy changes, some applicants required to take the 2020 civics test may now have a choice to take the 2020 test or the 2008 civics test. Decs 300 is designed to work with basler electrics sse and ssen power bridges, but will work equally well with any power bridge suitable for use on a synchronous generatormotor that has a firing circuit capable of accepting the control signal output from the decs 300. The decs 15 digital voltage regulator is now obsolete. Total control in a compact package means precise voltage, var and power factor regulation, negative fieldforcing capabilities, and exceptional system response, plus generator and motor protection. Total control in a compact package provides precise voltage, var and power factor regulation, and exceptional system response, plus generator and motor protection. Decs 2100 digital excitation control system basler. Decs 200 also recognizes a broadcast group address of 0. For specific application and operation information, see instruction manual. Meggers and highpotential test equipment should be used with extreme care.
Fcr field current regulation this input accepts a momentary contact closure that places the decs 200 in fcr mode. Improved dielectric strength of c power supply pn 9360100100, 102 only. The decs 250 is designed to control and protect the generator and excitation system. Fortunately the decs200 was designed to supersede all the functions of the decs15 to allow for easy upgrade to the new digital voltage regulator please note that this post is valid for the following basler voltage regulators. Functions four control modes o automatic voltage regulation avr o manual or field current regulation fcr o power factor pf. Decs200 offers the advantage of two digital controllers. The decs 200 does not send a response message for a broadcast query. It can also communicate to a pc via the front panel rs232 port for local programming and metering, and it can communicate via modbusz protocol via the side rs485 port for communications up to 4000 feet away from the decs 200 unit. In fact, the decs 150 can be fed indifferently by the pmg3, maux or even shuntexcited. Decs100b15 voltage regulator avr basler general power. Basler decs12515 replacement by decs250 generator control. Decs 200 manual electromagnetic compatibility analog to.
The decs 15 includes a separate power module which is now included in the decs 250 thus making the power module obsolete. I agree with the above comments that it is a very good and veritile unit. Loss of field excitation on basler decs 200 electric motors. One decs200 digital excitation control system can accommodate 32vdc, 63vdc, or 125vdc applications up to 15adc. Autotracking between operating modes and between decs 200 units. How to know the serial number of a decs200 avr generator. Usually the decs200s are pretty stable, but a few things, first, voltage match is a function of matching generator the bus voltage, when decs is in avr mode 52lm and 52jk contacts both closed, if enabled decs will try to match gen voltage to sensed bus voltage. Basler decs200 instruction manual pdf download manualslib. The decs200 was new then and we also had a basler engineer on. Decs 250e, digital excitation control system the decs 250e digital excitation control system provides accurate and reliable regulation, control, and protection for synchronous motors or generators. The decs 300 is suitable for virtually any kw size machine. Decs 200 digital avr characteristics the decs 200 offers all the features together with flexibility and programmability expected from one of todays latest stateoftheart microprocessor based products. The decs 150 is a digital, 3phase sensing, permanent magnet generator pmg or auxiliary winding powered avr with optional integrated power system stabilizer.
This makes the decs 400 ideal for new and retrofit applications. The decs 100 is available in bulkpackaged shipments of 50 pieces. The published test for the oel is in section 6 of the manual page 19 in my copy. This compact design accommodates 63 vdc and 125 vdc applications up to 20 adc continuously. The decs 200 also incorporates a pulse width modulated power stage, which improves system performances in nonlinear load applications. It has the flexibility to be utilized for either exciter field applications or static exciter applications up to 2,500 adc. Three decs 250e models are available to supply 50 adc, 100 adc, or 200 adc of excitation current continuously in a static or rotary exciter application. Exciter diode monitor edm the decs200s edm can detect open and shorted diodes on brushless generators.
The decs 200n also incoporates four control modes of operation. The decs 150 is suitable for all mecc alte brushless alternators, including the medium and high voltage series eco46 and eco49. The onboard sixthyristor controlled rectifier bridge offers the highest system performance possible, making the decs 200n ideal for providing exceptional system response, which makes it suitable for applications requiring power system stabilizers. Szo6 910 the decs 200n is a very compact negative forcing digital excitation control system. Basler decs12515 replacement by decs 200 the decs15 digital voltage regulator is now obsolete. Even though they are similar in size, the dimensions of both units are not strictly identical. Manual voltage control mvc 236 power isolation transformers auto synchronizer be125a. The decs 200 avr incorporates the latest microcontroller technology and is the heart of basler electric prepackaged excitation systems.
Basler decs100 instruction manual pdf download manualslib. Note be sure that the decs 200 is hardwired to earth ground with no. There are 2 ways to find the serial number of a decs 200 avr. Diesel generator sales, transfer switches, voltage.
Avr basler decs200redundancy, vars moving electric. For example, if a decs 100 is required with varpf control, voltage matching, and a 5 amp ct, the complete model number would be decs 100b15. Designed excitation systems is based on basler state of the art decs digital avrs. Automatic voltage regulation avr, field current regulation fcr, manual, volt amp reactive var application the decs 200n is a highly responsive negative forcing excitation control system used to control the output. Decs 200 solutions meet the requirement of fullfeatured excitation systems equipped with all the functionality necessary to provide reliable operation of a brushless synchronous machine. Avr, var, pf, and manual field current and voltage regulation. This kit is suitable for new installations and when replacing a decs 200 with the decs 250. Basler decs 15 basler decs 100 basler decs 150 basler decs 200 basler decs 200n basler decs 250 basler decs 250e basler decs 250n basler decs 300 basler decs 400 basler decs 2100 basler ecs2100 basler electric sse basler electric sr regulators. Setpoint range 70 to 120% of rated generator voltage, in increments of 0. Basler electric is a privatelyheld corporation with worldwide headquarters providing a wide range of products for the control and management of electric power, as well as specializing in injection molding of plastic components, and custom transformer design. The basler digital excitation control system decs 200 is a microprocessorbased control device intended for generator power management. The decs 300 is a total excitation control system in one 19 inch rack mount.
The digital avr s are a bit harder to bench test than the older analog models, but if you are careful it can at least give you an idea if the regulator will output a field signal. Decs 200 over excitation test decs 200 over excitation test franktwarrens electrical. Download decs 200 software, instruction manuals, bulletins, and many other resources. Decs200n negative forcing digital excitation control system. Its multifunctional design allows it to operate in a wide range of applications that require excitation currents up to 10,000 adc. Basler engineered quality solutions may be delivered on fully assembled mounting plates, ready for installation in your new or existing cubicle. Decs 200n negative forcing digital excitation control system. Decs300 control system features electrical part manual s. Diesel generator sales, transfer switches, voltage regulators. The decs 100 is provided as an option across the whole avk range of alternators. The decs 200 can accommodate generator exciter field requirements up to 15 adc continuously in 32, 63 or 125 vdc applications with one model. The decs 400 is a versatile digital excitation control system for synchronous generators and motors. If the decs 15 avr was supplied as a standalone avr, the decs 250 can be used with the following considerations. Note all warnings, cautions, and notes in this manual as well as on the product.
Decs 200 offers the advantage of two digital controllers. The decs 200 avr incorporates the latest microcontroller technology and is the heart of basler electric pre packaged excitation systems. Basler decs200 instruction manual electromagnetic compatibility. View online or download basler decs 100 instruction manual.
Perhaps the safest coordination test on your old machines would be a type test of an avr similar to what has already been mentioned, to check the reaction time and. Additionally, it provides extensive metering capabilities. Basler decs200 instruction manual free ebook download as pdf file. I am assuming you are refering to the decs 200 from basler. To do this, the decs200 requires the user to input the number of generator poles and the number of exciter poles both adjustable from 0 to 20 in increments of 2. The decs 100 is a digital, 2phase sensing, permanent magnet generator pmg or auxiliary winding powered automatic voltage regulator avr incorporating varpower factor control. The basler electric decs 100b15 is a microprocessor based digital automatic voltage regulator. Read this manual before installing, operating, or maintaining the decs 150. Decs 200 modbus performs all of the above functions when a modbus message has its unique address which is numbered from 1 to 247. Only functions 16 and 8 are recognized as valid for broadcast. If i want to initiate this test by increasing the increment avr v setpoint.
Need to know how your system was designed to var share, droop, cross current or. Features decs 100 units have the following features and capabilities. Decs200 digital excitation control system 5 offline high current level instantaneous set point adjustable from 0 to 30adc in 0. While performing routine testing of the decs 200 in backup mode. Once the unit is in fcr mode, this input has no effect. Features decs 200 units have the following features and capabilities. Programmability of system parameters and regulation settings enables the decs 200 to be used in a wide range of applications and provides greater flexibility in excitation system optimization. Decs200 200n voltage regulator projects by e squared power systems, inc. Limiting occurs for a time period ranging from 0 to 10 seconds, settable in 1 second increments. Front panel mounting is possible with an optional escutcheon kit. The decs 200 is an excitation control system used to control the output voltage, vars or power factor of. Decs 400 digital excitation control system 4 specifications, continued irigb time sync standard. The open and shorted diode ripple threshold is adjustable from 0 to 100% of field current.
Instruction manual for digital excitation control system models. The decs 100 will remain in this mode of operation until power is cycled. Allis chalmers regulex em regulators ge 3gfa regulator ge 3s7930sa regulator gecalsthom ge alterrex. This unique flexibility provides precision control of generators of virtually any size. Functions four control modes o automatic voltage regulation avr o. Basler decs400 instruction manual pdf download manualslib. The extent at which it imports or exports vars is dependent on the droop percentage that is programmed into the decs 200. Decs 150 digital excitation control system the decs 150 features entire system solutions and total control in one compact package providing precise voltage, var and power factor regulation, and exceptional system response, plus generator protection. Autotracking between operating modes and between decs200 units. The decs 250n is a complete digital excitation control system. Decs400, digital excitation control system basler electric. Excitation power is supplied from the decs 150 by means of a filtered, switching power module that uses pulsewidth modulation. Please feel free to use the friendly manual that we have prepared to help you in the process. Decs250, digital excitation control system basler electric.
The decs 250 is a complete digital excitation control system. Basler decs250 instruction manual pdf download manualslib. The decs 200 avr incorporates microprocessor technology and is the. The decs 200 avr is a very capable voltage regulator, and offers multiple ways of providing the var capabilities you need.
Decs 250 electrical and physical characteristics are listed in the following paragraphs. Decs 250 specifications the decs 250 is a microprocessor based excitation control system. Prepackaged dual decs 200 excitation system reduces engineering and installation time and increases reliability created date. The decs 2100 is an extremely powerful and flexible excitation system that precisely controls, protects, and monitors synchronous generators and motors.
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