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Discussion Groups
Discussion Groups | LPC2000 | Re: Re: 3 phase AC drive using LPC2136
Discussion group dedicated to the Philips LPC2000 family of ARM MCUs
Re: Re: 3 phase AC drive using LPC2136 - Cool Dude - Jul 14 1:17:32 2008
dear
Mukund Deshmukh,
But you would be using a resource to understand the algorithm and and to implement it. I was asking abt that so that i could clarify some of my doubts with reference to it.
Regards,
Raj
----- Original Message ----
From: Mukund Deshmukh
To: l...@yahoogroups.com
Sent: Monday, July 14, 2008 10:16:48 AM
Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
No, I am not using PIC reference, but developing my own.
Warm Regards,
Mukund Deshmukh,
Beta Computronics Pvt Ltd.
10/1 IT Park, Parsodi,
Nagpur -440022 India.
Web site - http://betacomp. com
Meet us at Booth I102, Taipei PLAS 2008, Sept 18-22 , Taiwan.
----- Original Message -----
From: "Cool Dude"
To:
Sent: Sunday, July 13, 2008 8:58 PM
Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
> hello Mukund Deshmukh,
>
> I had some doubts in the caculation part of the algorithm. Can i know
> which
> application datasheet have you been using for you code development.
> I've been using AN955 from microchip in which when i calculated the
> "vector
> angle" value i had some issues. The issue is I wanna know whether Vs is
> suposed to lie in a particular sector for a single Ts and is supposed to
> increment to the next to sector in the next Ts(ie according to datasheet
> am
> i supposed to get a carry according to the datasheet). or is it ok if the
> Vs
> stays in the same sector for multiple Continues Ts (if the calculations
> says
> so) and then increment to next sector when the carry is developed as the
> datasheet says...
>
> Raj
>
> Raj
>
> ----- Original Message ----
> From: Mukund Deshmukh
> To: lpc2000@yahoogroups .com
> Sent: Sunday, July 13, 2008 9:52:37 PM
> Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
> I have decided to use LPC938 and not LPC2136, because of PCB space and
> cost.
>
> Warm Regards,
>
> Mukund Deshmukh,
> Beta Computronics Pvt Ltd.
> 10/1 IT Park, Parsodi,
> Nagpur -440022 India.
> Web site - http://betacomp. com
>
> Meet us at Booth I102, Taipei PLAS 2008, Sept 18-22 , Taiwan.
>
> ----- Original Message -----
> From: "Cool Dude"
> To:
> Sent: Sunday, July 06, 2008 11:32 PM
> Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
>
> hello Mukund Deshmukh,
> I had some doubts in the caculation part of the algorithm. Can i know
> which
> application datasheet have you been using for you code development.
> I've been using AN955 from microchip in which when i calculated the
> "vector
> angle" value i had some issues. The issue is I wanna know whether Vs is
> suposed to lie in a particular sector for a single Ts and is supposed to
> increment to the next to sector in the next Ts(ie according to datasheet
> am
> i supposed to get a carry according to the datasheet). or is it ok if the
> Vs
> stays in the same sector for multiple Continues Ts (if the calculations
> says
> so) and then increment to next sector when the carry is developed as the
> datasheet says...
>
> Raj
>
> ----- Original Message ----
> From: Mukund Deshmukh
> To: lpc2000@yahoogroups .com
> Sent: Friday, June 27, 2008 11:50:25 AM
> Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
>
> finding it difficult to get IR2136 as my driver IC. None of the
> distributors
> encourage me in getting a few No.s of ICs. .
> Wthat about PWM and ADC is worryin you. Dont have them in ur controller.
> Raj
>
> IR2133 is available in Mumbai.
> My only worry is about performance of LPC2136 in noisy environment (e.g.
> switching frequency of 20Khz.)
> and NOT PWM, ADC
>
> Warm Regards,
>
> Mukund Deshmukh,
> Beta Computronics Pvt Ltd.
> 10/1 IT Park, Parsodi,
> Nagpur -440022 India.
> Web site - http://betacomp. com
>
> Meet us at Booth I102, Taipei PLAS 2008, Sept 18-22 , Taiwan.
>
> [Non-text portions of this message have been removed]
>
> ------------ --------- --------- ------
(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )
Mukund Deshmukh,
But you would be using a resource to understand the algorithm and and to implement it. I was asking abt that so that i could clarify some of my doubts with reference to it.
Regards,
Raj
----- Original Message ----
From: Mukund Deshmukh
To: l...@yahoogroups.com
Sent: Monday, July 14, 2008 10:16:48 AM
Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
No, I am not using PIC reference, but developing my own.
Warm Regards,
Mukund Deshmukh,
Beta Computronics Pvt Ltd.
10/1 IT Park, Parsodi,
Nagpur -440022 India.
Web site - http://betacomp. com
Meet us at Booth I102, Taipei PLAS 2008, Sept 18-22 , Taiwan.
----- Original Message -----
From: "Cool Dude"
To:
Sent: Sunday, July 13, 2008 8:58 PM
Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
> hello Mukund Deshmukh,
>
> I had some doubts in the caculation part of the algorithm. Can i know
> which
> application datasheet have you been using for you code development.
> I've been using AN955 from microchip in which when i calculated the
> "vector
> angle" value i had some issues. The issue is I wanna know whether Vs is
> suposed to lie in a particular sector for a single Ts and is supposed to
> increment to the next to sector in the next Ts(ie according to datasheet
> am
> i supposed to get a carry according to the datasheet). or is it ok if the
> Vs
> stays in the same sector for multiple Continues Ts (if the calculations
> says
> so) and then increment to next sector when the carry is developed as the
> datasheet says...
>
> Raj
>
> Raj
>
> ----- Original Message ----
> From: Mukund Deshmukh
> To: lpc2000@yahoogroups .com
> Sent: Sunday, July 13, 2008 9:52:37 PM
> Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
> I have decided to use LPC938 and not LPC2136, because of PCB space and
> cost.
>
> Warm Regards,
>
> Mukund Deshmukh,
> Beta Computronics Pvt Ltd.
> 10/1 IT Park, Parsodi,
> Nagpur -440022 India.
> Web site - http://betacomp. com
>
> Meet us at Booth I102, Taipei PLAS 2008, Sept 18-22 , Taiwan.
>
> ----- Original Message -----
> From: "Cool Dude"
> To:
> Sent: Sunday, July 06, 2008 11:32 PM
> Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
>
> hello Mukund Deshmukh,
> I had some doubts in the caculation part of the algorithm. Can i know
> which
> application datasheet have you been using for you code development.
> I've been using AN955 from microchip in which when i calculated the
> "vector
> angle" value i had some issues. The issue is I wanna know whether Vs is
> suposed to lie in a particular sector for a single Ts and is supposed to
> increment to the next to sector in the next Ts(ie according to datasheet
> am
> i supposed to get a carry according to the datasheet). or is it ok if the
> Vs
> stays in the same sector for multiple Continues Ts (if the calculations
> says
> so) and then increment to next sector when the carry is developed as the
> datasheet says...
>
> Raj
>
> ----- Original Message ----
> From: Mukund Deshmukh
> To: lpc2000@yahoogroups .com
> Sent: Friday, June 27, 2008 11:50:25 AM
> Subject: Re: [lpc2000] Re: 3 phase AC drive using LPC2136
>
> finding it difficult to get IR2136 as my driver IC. None of the
> distributors
> encourage me in getting a few No.s of ICs. .
> Wthat about PWM and ADC is worryin you. Dont have them in ur controller.
> Raj
>
> IR2133 is available in Mumbai.
> My only worry is about performance of LPC2136 in noisy environment (e.g.
> switching frequency of 20Khz.)
> and NOT PWM, ADC
>
> Warm Regards,
>
> Mukund Deshmukh,
> Beta Computronics Pvt Ltd.
> 10/1 IT Park, Parsodi,
> Nagpur -440022 India.
> Web site - http://betacomp. com
>
> Meet us at Booth I102, Taipei PLAS 2008, Sept 18-22 , Taiwan.
>
> [Non-text portions of this message have been removed]
>
> ------------ --------- --------- ------
(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )