Gadget Download

We have so far covered the two main requirements for the proposed synchronized 4kva stackable inverter circuit, which includes synchronization of frequency, phase and PWM across the inverters so that failing of any of the inverters had no effect on the rest in terms of the above parameters.


In this article we will try to figure out the automatic load correction feature which may enable the switching ON or OFF of the inverters sequentially in response to the varying load conditions across the output mains line.

A simple quad comparator using LM324 IC can be used for implementing an automatic sequential load correction as indicated in the following diagram:



In the figure above we can see four opamps from the IC LM324 configured as four separate comparators with their non-inverting inputs rigged with individual presets,while their inverting inputs all referenced with a fixed zener voltage.

The relevant presets are simply adjusted such that the opamps produce high outputs in a sequential a soon as the mains voltage goes above the intended threshold..... and vice versa.

When this happens the relevant transistors switch in accordance with the opamp activation.

The collectors of the respective BJTs are connected with the pin#3 of the voltage follower opamp IC 741 which is employed in the PWM controller stage, and this forces the opamp output to go low or zero, which in turn causes a zero voltage to appear at pin#5 of the PWM IC 555 (as discussed in Part 2).

With pin#5 of the IC 555 is applied with this zero logic, forces the PWMs to become narrowest or at the minimum value, which causes the output of that particular inverter to almost shut down.

The above actions make an attempt to stabilize the output to an earlier normal condition which again forces the PWM to get wider and this tug-of-war or a constant switching of the opamps cintinues consistently keeping the output as stable as possible, in response to the variations of the attached loads.

With this automatic load correction implemented within the proposed 4kva stackable inverter circuit almost makes the design complete with all the features requested by the user in Part 1 of the article.

An MPPT as we all know refers to maximum power point tracking which is typically associated with solar panels for optimizing their outputs with maximum efficiency. In this post we learn how to make a PIC16F88 microcontroller based MPPT circuit with a 3-stage charging.

This data was donated by: Mr. hisham bahaa-aldeen (hisham2630@gmail.com)



The optimized output from MPPT circuits is primarily used for charging batteries with maximum efficiency from the available sunshine.

New hobbyists normally find the concept to difficult and get confused with the many parameters associated with MPPT, such as the maximum power point, "knee" of the I/V graph etc.

Actually theres nothing so complex about this concept, because a solar panel is nothing but just a form of power supply.

Optimizing this power supply becomes necessary because typically solar panels lack current, but posses excess voltage, this abnormal specs of a solar panel tends to get incompatible with standard loads such as 6V, 12V batteries which carry higher AH rating and lower voltage rating compared to the panel specs, and furthermore the ever-varying sunshine makes the device extremely inconsistent with its V and I parameters.

And thats why we require an intermediate device such as an MPPT which can "understand" these variations and churn out the most desirable output from a connected solar panel.

You might have already studied this simple IC 555 based MPPT circuit which is exclusively researched and designed by me and provides an excellent example of a working MPPT circuit.

The basic idea behind all MPPTs is to drop or trim down the excess voltage from the panel according to the load specs making sure that the deducted amount of voltage is converted into an equivalent amount of current, thus balancing the I x V magnitude across the input and the output always up to the mark...we cannot expect anything more than this from this useful gadget, do we?


In this post we study an MPPT circuit which is quite similar to the IC 555 design, the only difference being the use of a microcontroller PIC16F88 and an enhanced 3-level charging circuit.





The basic function of the various stages can be understood with the help of the following description:

1) The panel output is tracked by extracting a couple of information from it through the associated potential divider networks.

2) One opamp from IC2 is configured as a voltage follower and it tracks the instantaneous voltage output from the panel through a potential divider at its pin3, and feeds the info to the relevant sensing pin of the PIC.

3) The second opamp from IC2 becomes responsible for tracking and monitoring the varying current from the panel and feeds the same to another sensing input of the PIC.

4) These two inputs are processed internally by the MCU for developing a correspondingly tailored PWM for the buck converter stage associated with its pin#9.

5) The PWM out from the PIC is buffered by Q2, Q3 for triggering the switching P-mosfet safely. The associated diode protects the mosfet gate from overvolatges.

6) The mosfet switches in accordance with the switching PWMs and modulates the buck converter stage formed by the inductor L1 and D2.

7) The above procedures produce the most appropriate output from the buck converter which is lower in voltage as per the battery, but rich in current.

8) The output from the buck is constantly tweaked and appropriately adjusted by the IC with reference to the sent info from the two opamps associated with the solar panel.

9) In addition to the above MPPT regulation, the PIC is also programmed to monitor the battery charging through 3 discrete levels, which are normally specified as the bulk mode, absorption mode, an the float mode.

10) The MCU "keeps an eye" on the rising battery voltage and adjusts the buck current accordingly maintaining the correct Ampere levels during the 3 levels of charging procedure. This is done in conjunction with the MPPT control, thats like handling two situations at a time for delivering the most favorable results for the battery.

11) The PIC itself is supplied with a precision regulated voltage at its Vdd pinout through the IC TL499, any other suitable voltage regulator could be replaced here for rendering the same.

12) A thermistor can be also seen in the design this may be optional but can be effectively configured for monitoring the battery temperature and feeding the info to the PIC, which effortlessly processes this third information for tailoring the buck output making sure that the battery temperature never rises above unsafe levels.

13) The LED indicators associated with the PIC indicate the various charging states for the battery which allows the user to get an up-to-date information regarding the charging condition of the battery throughout the day.

14) The proposed MPPT Circuit using PIC16F88 with 3-Level Charging supports 12V battery charging as well as 24V battery charging without any change in the circuit, except the values shown in parenthesis and VR3 setting which needs to be adjusted to allow the output to be 14.4V at the onset for a 12V battery and 29V for a 24V battery.

The next article gives the access to the entire source code for the above discussed MPPT circuit using PIC16F88

UltraISO Premium Edition 9.5.3 Build 2900 Full Version - is one powerful piece of software that handle ISO Image file. UltraISO Premium Edition in addition to the use for burning an ISO file, also you can use to edit, extract, add and delete files / folders, create a new directory and rename the file / folder inside the ISO Image. This software also allows you to create ISO image file directly from the CD / DVD-ROM or hard disk of your pc.

Features:
Can directly edit the ISO image file.
Can directly extract files and folders from ISO image file
Can add / delete /create new directory /rename ISO file image content.
Can make ISO file from hard disk document.
Can create CD/DVD image from CD/DVD-ROM, maintain bootable information.
Can process the compact disc boot information, you can directly add/remove/extract boot image of the ISO image.
Supports nearly all known CD/DVD image file formats (.ISO, .BIN, .IMG, .CIF, .NRG, .MDS, .CCD, .BWI, .ISZ, .DMG, .DAA, .UIF, .HFS and so on) , and can convert them to the industry standard nd widely supported ISO image format.
May directly set the file/folder to hidden attribute
upports ISO 9660 Level1/2/3 and Joliet extension
Automatically optimizes the ISO image file structure, saves the disc space.
Supports the shell document type integration, Open Image files through double clicking them or the Right Click menu of the mouse with the open dialog.
The double window user interface is extremely convenient to use.
There are rich add-on tools, you can create ALL in 1 bootable compact discs, CD/DVD image file management, even the virtual CD/DVD drive , those functions are really powerful.

HOW TO BURN ISO IMAGE USING ULTRA ISO ?

1. Insert a blank or ReWritable CD/DVD into your CD/DVD writer.
2. Launch UltraISO.
3. Open the ISO file by Ctrl+O or File->Open menu
4. Press F7 or choose Tools->Burn CD/DVD image
5. Click on the Burn button.
6. Click on Return when the process is complete.


How to Install and Register this Software?
1. Extract
2. Install Ultra ISO and run the program
3. Select the "Enter Registration Code"
4. Use Serial Key to register
5. Enjoy

Release 28/10/2013


WARNING !!!
If the HWK is a "TRIAL" or affected by 3rd party tools, this software may not work properly, so use at your own risk.

You need to uninstall old HWK Setup Suite and HWK Support Suite and use the new UFSx Support Suite.


UFS_DCTxBB5 V 2.3.0.2
----------------------

1. BB5 RAPU Based Products USB Flashing / UI support added:
RM-884 (302)
2. DCT4 INFINEON Based Products Flashing / UI support added:
RM-908,RM-924,RM-925,RM-926,RM-928,RM-929,RM-961,RM-962
(105,210,.. 210,107,106)
3. Added HiBauds (up to 3Mbaud) on UFST Box, for Infineon
XG101 and XG110 Platforms.
4. DCT4 MTK Based Products UI support added:
RM-944,RM-945 (108)
5. Windows8 64bit support.


UFS_ATRz v2.3.0.2
------------------

1. Increased Baud Rate for J220,J230
2. Windows8 64bit support.

UFS_KZF v2.3.0.2
-----------------

1. Added Windows8 64 bit Support.

UFS_RTP v2.3.0.2
----------------

1. Added Windows8 64 bit Support.

SeDBx v2.3.0.2
--------------

1. Added Windows8 64 bit Support.

LG v 2.3.0.2
------------

1. Infineon: Added HiBauds (up to 3Mbaud) on UFST Box
for EGoldVoice V2, EgoldVoice V3, XMM2150 platforms.
2. Common: Windows8 64bit support.


SAMs V 2.3.0.2
--------------

SWIFT-AEROFONE
E1260B,E1260L added (PUNL,PIM,FL)
E1265,E2262 added (UNL,SECT,IM,FL)
INFINEON
C3322i,C3590,C3592 added (CUNL,PUNL,PIM,FL,UFL)
HiBauds(3 Mbaud) added for XMM1100, XMM2150, XMM2230, XMM2250
Platforms, on UFST Box Only.
ANDROID
More Products added, UFST only, see separate Document.


Many thanks to all those who have supported us!!!

UFSx+HWK Release 21/08/2013

 

 

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  ?? UFSx+HWK Install Files Mirrors & Install Instructions ??

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UFSx_Support_Suite_Setup_v02.03.00.03.exe


DHLT Files - Samsung Fast Code Calc Tables

Download _DHLT.part01.exe
Download _DHLT.part02.rar
Download _DHLT.part03.rar
Download _DHLT.part04.rar
Download _DHLT.part05.rar
Download _DHLT.part06.rar
Download _DHLT.part07.rar


1. Uninstall ALL previous versions, you MUST uninstall HWK Suite BEFORE trying to uninstall HWK Support Suite Setup.
2. Install UFSx Support Suite Setup
3. Connect your UFSx+HWK before running the UFSx Control Panel
4. Run UFSx Control Panel
5. Switch to the "Hardware" Tab
6. If you only have one UFSx connected it will be selected, if more than one, select the check box next to the required UFSx. You can click "Scan Boxes" to refresh the list if you have connected further boxes since opening the Control Panel
7. Click "Check Box"
8. Click "Update Box"
9. Click "Check Box" - Make sure "Box Status" = "True" or "Bad Software" and "Server Status" = "Support Ok", before proceeding
10. Switch to the "Software" Tab
11. Amend "Application Install Path" and/or "Nokia Install Path", if required.
12. Click "Check Server"
13. Click "Install"
14. If you have more than 1 UFSx+HWK run steps 5-13 for each UFSx+HWK ( NOTE: You must install something at step 13)


How to install same UFSx+HWK to 2nd PC.

Same as above and you must complete ALL steps.


How to add further UFSx+HWK after initial install.

Steps 4-13 as above


Odia.

VolcanoBox MerapiTool Latest Update V1.3.6