14 Questions 20 Answers 0 Followers
Questions related from Aalok Bhatt
Dear All, I have a query about the inductor design. The simplified application schematic is attached here with. I explain you the application and my query as concise as possible...
05 January 2018 1,212 9 View
Hello, In my application, I would like to install Y capacitor for EMI suppression on DC side of Inverter. The intended installation would be between positive bus and earth as well as Negative bus...
22 February 2017 8,130 3 View
Dear All, With all the available literature on Film and Aluminum electrolytic capacitor comparison, it is clear that direct replacement (one to one) is not possible. We know that the capacitance...
30 September 2016 1,471 4 View
Hello, This question pertains to Matlab simulation. I will be grateful in case anyone knows the answer. Attached .docx file is a Simulink circuit of a inverter simulation. In order to implement...
23 September 2016 8,366 5 View
Dear All, In my PV inverter, I have to analyze the AC filter capacitor qualitatively. The switching frequency is 4000Hz. To analyze the AC filter capacitor qualitatively, capacitor voltage and...
20 September 2016 8,349 5 View
Hello, I have a question on PWM Technique for Power Electronics Inverter. For 3-level inverter and sine PWM, modulation index is evaluated by m=(V(line-lineRMS)/sqrt(3))*sqrt(2))/(Vdc/2) Now, when...
24 May 2016 1,437 4 View
Hello, This question is about the dimensioning of the fuse to be placed in my application of inverter. I have calculated the current rating considering various derating factors. Now, I want to...
03 May 2016 2,649 3 View
HEllo, I am looking for the PLL design as per SO (Symmetric Optimum) method for Grid connected inverter. I am going to use simulink for the same. The SO method is clear to me. However, I can not...
11 April 2016 2,694 5 View
Hello Everyone, I am having 10 mF of DC link film capacitor in my 833 kW inverter. This PV inverter has rated Power factor of 1. What will be the role of the DC link capacitor during LVRT...
10 March 2016 2,954 5 View
HEllo, Does any one have idea or any literature regarding, grounding in PV system on DC side?
29 February 2016 8,957 3 View
Hello Everyone, I have attached my 3-level inverter output (Max DC Voltage:+/-1250V). The designed AC filter capacitor has value of 200 uF. Now, I want to estimate the ripple current of AC...
27 February 2016 7,568 3 View
Hello, I have 833 kW solar inverter whose output voltage is 560 V. MPPT range of this inverter is 800-1270 V DC. I have designed LC filter based on theoratical calculation and resonance freq, as...
04 February 2016 9,172 2 View
Hello, I am searching some concrete document on how to calculate the precharging resistor installed in inverter which is used for precharging of DC link and AC filter capacitors of 3-phase grid...
25 January 2016 3,882 12 View
Hello,I am Aalok Bhatt working as Senior Engineer with Hitachi Hi-Rel Power Electronics Pvt. Ltd. (A Hitachi Group Company) in R&D department. My current focus is in the area of Solar...
24 December 2015 2,452 10 View
