Delco 3h18020avr182 automatic voltage regulator avr made by delco is in stock, low price, worldwide shipping available. The decrease in v be reduces conduction through the pass transistor. Caterpillar digital voltage regulator cdvr electric bresitapge. Fast download and read caterpillar dvr manual caterpillar dvr manual in undergoing this life, many people always try to do and get the best. I am sure you will like the caterpillar cdvr voltage regulator manual printable 2019. What is the abbreviation for caterpillar digital voltage regulator. Emcp 4 integrated voltage regulator implementation. Cdvr pc software is a shareware software in the category system utilities developed by caterpillar. The cdvr requires a connection to a pc for configuring the settings for the generator. Caterpillar digital voltage regulator 3147755 cdvr,buy. Installation instructions for the new caterpillar digital.
Since the zener voltage is constant, the increase in v o causes v be to decrease. When we launched dc motor 500600adc ge 752 type, generator voltage is increased to approximately 670v. No equipment selected media number renr794100 publication date 01122003 date updated 19122003 i01915719 table 1 specifications regulation 0. Digital voltage regulator 2 lehe3225 specifications general specifications voltage regulation 0. Caterpillar cdvr voltage regulator conversion kit 32945. It was initially added to our database on 06302011. Sr4 and sr4b generators, voltage regulators, options. The caterpillar digital voltage regulator cdvr is a microprocessor based voltage regulator. We tested the generators on brine tank load test device and everything was ok.
Com the cdvr can be connected to a manual voltage voltage regulator rectifier arctic cat 400 act voltage regulator rectifier arctic cat 400 act man 4x4 manual 2004. After the configurable underfrequency point has been reached, the digital voltage regulator will begin t o b u i l d v o l tage following a volts per hertz profile. We have given below the block diagram of a 3 terminal ic based voltage regulator. Caterpillar digital voltage regulator cdvr caterpillar digital voltage regulator cdvr caterpillar digital voltage regulator cdvr safety. Transistor series regulator since q 1 is an npn transistor, v o is found as. Control power for the digital voltage regulator is supplied. Replacement vr3 regulator with vr6 cr4 discussion thread.
Nov 17, 20 caterpillar digital voltage regulator cdvr faulty. Caterpillar digital voltage regulator cdvr introduction. All acronyms, cdvr caterpillar digital voltage regulator apr. Page 1 instruction manual installation operation maintenance caterpillar generator avr vr6 k6512b k12510b ruitai industry co. The automatic voltage regulator avr is a device designed to regulate voltage automatically that is, to take a fluctuating voltage level and turn it into a constant voltage level. The voltage where the output actually falls out of regulation called the dropout voltage will probably be somewhere between 1.
A typical 7800 series voltage regulator is used for positive voltages. Sr4b brushless, permanent magnet excited, threephase with caterpillar digital voltage regulator cdvr, space heater, 6lead design, class h insulation operating at class f temperature for extended life, winding temperature detectors and anti. Located in miami fl we offer fast same day shipping. Cdvr description the caterpillar digital voltage regulator cdvr is a microprocessorbased control designed to provide precise voltage control, robust transient response, and generator protection with industry leading features and versatility. Cdvr caterpillar digital voltage regulator pc software,it is software to use for cdvr module programing,and it is a microprocessor based control designed to provide precise voltage control, robust transient response, and generator protection with industry leading features and versatility. Cdvr pc software has not been rated by our users yet. Cdvr abbreviation stands for caterpillar digital voltage regulator. The emcp 4 internal controller regulates generator output voltage by sending a. Use caution when working around the component side of the dvr. This is a used caterpillar dr generator voltage regulator. This cover prevents exposure and unintentional contact.
Sr4b brushless, permanent magnet excited, threephase with caterpillar digital voltage regulator cdvr, space heater, 6lead design, class h insulation operating at class f temperature for extended life, winding temperature detectors and anticondensation space heaters 120240v 1. We replaced vr3 voltage regulator with new vr6 regulator. No equipment selected media number renr794100 publication date 01122003 date updated. This causes the current settings of the cdvr to be displayed on the settings screen. The three types of switching are stepup, step down, and inverting. Cat systems operation testing and adjusting digital voltage regulator cdvr language. This button will be grayed out until the communication is established. Voltage regulators keep a constant dc output despite input voltage or load changes. Linear and switching voltage regulator fundamental part 1. The switching regulator is different because the control element operates as a switch. Cdvr pc software runs on the following operating systems. Lm337 is an example of negative adjustable voltage regulator.
The dropout voltage of the standard regulator is the highest worst of the three types. Select your business area we use this information to provide content associated with segment of your choice. The emcp integrated voltage regulator ivr feature is a substitute for todays voltage regulator topology consisting of a dedicated controller cdvr, vr6etc. Digital voltage regulatordigital voltage regulator d630. Digital voltage regulator digital voltage regulator.
Regulation is provided by sensing the generator output voltage, converting it to a dc signal and comparing the signal to a reference voltage signal. Faulting caterpillar digital voltaje regulator cdvr. Caterpillar digital voltage regulator cdvr electric. The emcp 4 internal controller regulates generator output voltage by sending a command to the excitation module. If load resistance increases, load voltage also increases. Find best value and selection for your caterpillar cdvr voltage regulator 235 5725 03 search on ebay. A fixed voltage regulator can be a positive voltage regulator or a negative voltage regulator. These voltage regulators when used with heatsinks can safely produce current values of 1a and greater.
The main purpose of a digital voltage regulator is to regulate the output voltage of a generator that is used with an engine generator set. Brand new caterpillar oem cdvr conversion kit includes all hardware, harness, mounting bracket and cdvr voltage regulator. Senr479406 january 2002 systems operation connection diagrams. The d350 avr is a digital voltage regulator used to control the alternator from the field current or the output voltage regulation loops. Renr7941 caterpillar digital voltage regulator cdvr caterpillar gas engine 3516 schematic diagram. The dvr is a control device that regulates the output voltage of a brushless, ac generator by controlling the current into the generator exciter.
Generator is sr 4 type 600v and engine is cat 3500. Caterpillar cdvr cat digital voltage regulator youtube. Automatic voltage regulator manuals marathon generators. Voltage regulator settings are retrieved by clicking the get from unit button. Voltage regulator operations manual marathon generators. Caterpillar digital voltage regulator cdvr introduction and. Caterpillar cdvr cat digital voltage regulator ytech auto service build your own diagnostic diesel laptop for. Voltage setpoint 50100% 5 hz not adjustable decreasing slope 1 110 vhz. Lm317 is a classic example of positive adjustable voltage regulator, whose output voltage can be varied over a range of 1. Deifs digital voltage controller, dvc 310, is a digital automatic voltage regulator, which monitors and regulates the alternator output voltage. This cover must be installed whenever the voltage regulator is energized. The two types of linear voltage regulators are series and shunt. The cdvr shuts off intermittently causing the genset voltage droops.
There are many types of automatic voltage regulators. Cat cdvr manual grade 12 mathematics memorandum paper 1 edoqs, touring our solar system workbook answers, airbus a310 operation manual. Everything needed to perform the conversion in included in the kit except a current. Oct 17, 2016 free download caterpillar cdvr voltage regulator manuals pdf pdf manuals library. Everything needed to perform the conversion in included in the kit except a current transformer commonly know. The main purpose of a digital voltage regulator is to regulate the. This was removed off a generator that had only 23 hours on it. Caterpillar digital voltage regulator cdvr electric generator. Comparing automatic voltage regulation technologies ust. Pdf 29241 all doityourself pdf manuals, automotive owners manual related to cat cdvr manual. Specifications caterpillar digital voltage regulator cdvr electrical smcs 4467 shutdown sis previous screen product. The emcp integrated voltage regulator ivr feature is a substitute for todays voltage regulator topology consisting of a dedicated controller cdvr, vr6etc for regulating voltage. Fixed voltage regulators these regulators provide a constant output voltage. Refer to the specifications, systems operation, testing and adjusting, renr794108, cat digital voltage regulator, for more thorough information on the cdvr software.
The abbreviation for caterpillar digital voltage regulator is cdvr. Cdvr caterpillar digital voltage regulator pc software. Caterpillar digital voltage regulator cdvr free download as pdf file. The digital voltage regulator will begin to build voltage following the soft start settings before the c o n f i g u r a b l e underfrequency point has been reached. Two basic types of linear regulator are series regulator shunt regulator 8 ec. Any manual as well as caterpillar cdvr voltage regulator manuals can be downloaded. The k6512b and k12510b voltage regulators are contained in an encapsulated plastic case. Caterpillar cdvr voltage regulator manual printable 2019 online reading at moitruongdothihanoi. A popular example is the 7805 ic which provides a constant 5 volts output. Control power for the digital voltage regulator is supplied from an external 24 dcv source. The two basic categories of voltage regulators are linear and switching.