It is a PPT presentation on Summer Training of 4 weaks in Diesel locomotive Works, varanasi, which contains Introduction of Diesel Locomotive Works, Varanasi and 4 shops
1. SMS (Sheet Metal Shop)
2. SAS (Sub Assembly Shop)
3. TMS (Truck Machine Shop)
4. LFS (Loco Frame Shop)
DLW SUMMER TRAINING REPORT FOR ECE BRANCH SUBHAM SINGH
this report is very usful for student who are doing in a DLW summer training and also learns a lot of thing from this report .I have learnt a lot of things from DLW training and i feel lucky to this part of summer training in a DLW ,varanasi .And last things,I suggest to all of u ,please dont do training for attendance purpose ,honestly u should learn a lot of things which is better for ur future.DLW is an integrated plant and its manufacturing facilities are flexible in nature.
It is a PPT presentation on Summer Training of 4 weaks in Diesel locomotive Works, varanasi, which contains Introduction of Diesel Locomotive Works, Varanasi and 4 shops
1. SMS (Sheet Metal Shop)
2. SAS (Sub Assembly Shop)
3. TMS (Truck Machine Shop)
4. LFS (Loco Frame Shop)
DLW SUMMER TRAINING REPORT FOR ECE BRANCH SUBHAM SINGH
this report is very usful for student who are doing in a DLW summer training and also learns a lot of thing from this report .I have learnt a lot of things from DLW training and i feel lucky to this part of summer training in a DLW ,varanasi .And last things,I suggest to all of u ,please dont do training for attendance purpose ,honestly u should learn a lot of things which is better for ur future.DLW is an integrated plant and its manufacturing facilities are flexible in nature.
Types of Fuel Injection systems in Spark Ignition and Compression Ignition En...Hassan Raza
This presentation was prepared by Mechanical Engineers during their final year in their Internal Combustion Engine program offered at University of Engineering and Technology Lahore.
Railway Electrification -
Electricity is used to eliminate smoke and take advantage of the high efficiency of electric motors; however, the cost of railway electrification means that usually only heavily-used lines can be electrified.
the power for electric locomotives can come from clean and/or renewable sources, including geothermalpower, hydroelectric power, nuclear power, solar power and wind turbines.
Electric locomotives benefit from the high efficiency of electric motors, often above 90%. Additional efficiency can be gained from regenerative braking, which allows kinetic energy to be recovered during braking to put some power back on the line. Newer electric locomotives use AC motor-inverter drive systems that provide for regenerative braking.
Thank you.
Electric Compressor Selection & Integration dccmarketing
Follow T/CCI Manufacturing on LinkedIn.
T/CCI's Advanced Engineering Director, Erik Huyghe, outlines electric compressor selection and integration for heavy-duty and offroad vehicles.
Types of Fuel Injection systems in Spark Ignition and Compression Ignition En...Hassan Raza
This presentation was prepared by Mechanical Engineers during their final year in their Internal Combustion Engine program offered at University of Engineering and Technology Lahore.
Railway Electrification -
Electricity is used to eliminate smoke and take advantage of the high efficiency of electric motors; however, the cost of railway electrification means that usually only heavily-used lines can be electrified.
the power for electric locomotives can come from clean and/or renewable sources, including geothermalpower, hydroelectric power, nuclear power, solar power and wind turbines.
Electric locomotives benefit from the high efficiency of electric motors, often above 90%. Additional efficiency can be gained from regenerative braking, which allows kinetic energy to be recovered during braking to put some power back on the line. Newer electric locomotives use AC motor-inverter drive systems that provide for regenerative braking.
Thank you.
Electric Compressor Selection & Integration dccmarketing
Follow T/CCI Manufacturing on LinkedIn.
T/CCI's Advanced Engineering Director, Erik Huyghe, outlines electric compressor selection and integration for heavy-duty and offroad vehicles.
Wheel Hub Motor for Automotive Applicationsssuser0c220d
Wheel Motors were developed for the Autonomy fuel cell concept vehicle project.
Enables the low profile “skateboard” chassis by placing the traction motors in the wheels.
Allows more chassis space for Fuel Cell components.
How to Start your Large Motors- typical Solutions or new motor design?Delcho Penkov
In the context of low oil prices and an increasing demand for cost reduction of the electrical installations, optimizing the starting solution of high power electrical motors could be highly contributive. Direct on-line start is the most common solution today, being also the simplest and most cost-effective but it may generate voltage dip during start and stresses mechanically the machine and load. Progressive starting solutions, as auto-transformer, soft-starter or variable speed drive, solve the electrical and mechanical constraints in variable levels, related to their complexity. Today, in addition to the progressive starting solutions, motor manufacturers propose to design the motors as to reduce their inrush current, in some cases down to 300% of the rated current.
In this tutorial different solutions for large motor starting will be explored and compared, with respect to their application field, flexibility of adaptation, complexity during installation and set-up, overall performances and technical and economical aspects. Some guidelines for selection will be also discussed. In the scope of analyses are traditional methods, such as direct on-line, auto-transformer, soft-starter and variable speed drive and also recent solutions as motors designed with reduced inrush current.
Diseñado para trabajos exigentes en aplicaciones de explanación, el tractor de ruedas 834G combina un aumento de potencia, movilidad y comodidad del operador para proporcionar un avance revolucionario en las topadoras. El 834G es ideal para movimiento de tierras, industrias y minería.
Brochure, Folleto, Specalog, oroscocatt, oroscocat
Catalogo 834G CAT pdf
An introduction to the concept of Cam-Less engines which replaces the conventional Cam and follower assembly with Electro -Mechanical or Electro-Hydraulic actuators controlled by PDM and ECU for better control and improving efficiency of an I.C.Engine.A theoretically simple but practically complex kit of technology which although beneficiary has its limitations and comes with a huge development and production cost.For better insight search for the same on Youtube.
https://youtu.be/XrYt1JHNmh4
An interesting take on this.
Harnessing WebAssembly for Real-time Stateless Streaming PipelinesChristina Lin
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
Literature Review Basics and Understanding Reference Management.pptxDr Ramhari Poudyal
Three-day training on academic research focuses on analytical tools at United Technical College, supported by the University Grant Commission, Nepal. 24-26 May 2024
Understanding Inductive Bias in Machine LearningSUTEJAS
This presentation explores the concept of inductive bias in machine learning. It explains how algorithms come with built-in assumptions and preferences that guide the learning process. You'll learn about the different types of inductive bias and how they can impact the performance and generalizability of machine learning models.
The presentation also covers the positive and negative aspects of inductive bias, along with strategies for mitigating potential drawbacks. We'll explore examples of how bias manifests in algorithms like neural networks and decision trees.
By understanding inductive bias, you can gain valuable insights into how machine learning models work and make informed decisions when building and deploying them.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
Contact with Dawood Bhai Just call on +92322-6382012 and we'll help you. We'll solve all your problems within 12 to 24 hours and with 101% guarantee and with astrology systematic. If you want to take any personal or professional advice then also you can call us on +92322-6382012 , ONLINE LOVE PROBLEM & Other all types of Daily Life Problem's.Then CALL or WHATSAPP us on +92322-6382012 and Get all these problems solutions here by Amil Baba DAWOOD BANGALI
#vashikaranspecialist #astrologer #palmistry #amliyaat #taweez #manpasandshadi #horoscope #spiritual #lovelife #lovespell #marriagespell#aamilbabainpakistan #amilbabainkarachi #powerfullblackmagicspell #kalajadumantarspecialist #realamilbaba #AmilbabainPakistan #astrologerincanada #astrologerindubai #lovespellsmaster #kalajaduspecialist #lovespellsthatwork #aamilbabainlahore#blackmagicformarriage #aamilbaba #kalajadu #kalailam #taweez #wazifaexpert #jadumantar #vashikaranspecialist #astrologer #palmistry #amliyaat #taweez #manpasandshadi #horoscope #spiritual #lovelife #lovespell #marriagespell#aamilbabainpakistan #amilbabainkarachi #powerfullblackmagicspell #kalajadumantarspecialist #realamilbaba #AmilbabainPakistan #astrologerincanada #astrologerindubai #lovespellsmaster #kalajaduspecialist #lovespellsthatwork #aamilbabainlahore #blackmagicforlove #blackmagicformarriage #aamilbaba #kalajadu #kalailam #taweez #wazifaexpert #jadumantar #vashikaranspecialist #astrologer #palmistry #amliyaat #taweez #manpasandshadi #horoscope #spiritual #lovelife #lovespell #marriagespell#aamilbabainpakistan #amilbabainkarachi #powerfullblackmagicspell #kalajadumantarspecialist #realamilbaba #AmilbabainPakistan #astrologerincanada #astrologerindubai #lovespellsmaster #kalajaduspecialist #lovespellsthatwork #aamilbabainlahore #Amilbabainuk #amilbabainspain #amilbabaindubai #Amilbabainnorway #amilbabainkrachi #amilbabainlahore #amilbabaingujranwalan #amilbabainislamabad
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Online aptitude test management system project report.pdfKamal Acharya
The purpose of on-line aptitude test system is to take online test in an efficient manner and no time wasting for checking the paper. The main objective of on-line aptitude test system is to efficiently evaluate the candidate thoroughly through a fully automated system that not only saves lot of time but also gives fast results. For students they give papers according to their convenience and time and there is no need of using extra thing like paper, pen etc. This can be used in educational institutions as well as in corporate world. Can be used anywhere any time as it is a web based application (user Location doesn’t matter). No restriction that examiner has to be present when the candidate takes the test.
Every time when lecturers/professors need to conduct examinations they have to sit down think about the questions and then create a whole new set of questions for each and every exam. In some cases the professor may want to give an open book online exam that is the student can take the exam any time anywhere, but the student might have to answer the questions in a limited time period. The professor may want to change the sequence of questions for every student. The problem that a student has is whenever a date for the exam is declared the student has to take it and there is no way he can take it at some other time. This project will create an interface for the examiner to create and store questions in a repository. It will also create an interface for the student to take examinations at his convenience and the questions and/or exams may be timed. Thereby creating an application which can be used by examiners and examinee’s simultaneously.
Examination System is very useful for Teachers/Professors. As in the teaching profession, you are responsible for writing question papers. In the conventional method, you write the question paper on paper, keep question papers separate from answers and all this information you have to keep in a locker to avoid unauthorized access. Using the Examination System you can create a question paper and everything will be written to a single exam file in encrypted format. You can set the General and Administrator password to avoid unauthorized access to your question paper. Every time you start the examination, the program shuffles all the questions and selects them randomly from the database, which reduces the chances of memorizing the questions.
4. DEMU AC-AC TRACTION
• The Power transmission in conventional
DEMU is AC-DC-DC.
• Engine + Alternator + Rectifier + DC TMs.
• In the new DEMU the power transmission
is AC-DC-AC
• Engine + Alternator + Rectifier + Traction
Converter + AC Traction Motors.
5. • Scalability
• Quicker Acceleration and Braking
• Quick reversal – no shunting required at
endpoints
• Low system Construction Costs
• Less maintenance
• More Fuel Efficient
DEMU Advantages
6. 700 hp DEMU – 1994
6-car formation DPC+TC+TC+TC+TC+DPC
7. Salient Features
• Composition – DPC + TC + TC
• Maximum speed – 100 KMPH
• Bogie mounted graduated release air brake system
• Schaku type semi permanent coupler
• Fully vestibuled unit for inter coach passenger
movement
700 HP DEMU
9. 1400hp DEMU – 2000
8 car formation
• FRP Nosecone from 2004
• Steel Nosecone from 2013
DPC TCV TCG DPC
TCV
TCG TCG TCG
10. Salient Features
• Composition – DPC + TC + TC +TC
• Maximum speed – 100 KM
• Air Spring secondary suspension
• Bogie mounted graduated release air brake / EP brake system
• Schaku type semi permanent coupler
• Fully vestibuled unit for inter coach passenger movement
1400 HP DEMU
11. 1400 HP DEMU
Propulsion System
• A 1400 HP 1800 rpm water cooled diesel engine drives a
1150kVA 3 phase brushless alternator
• The three phase output of the alternator is rectified using a
full wave silicon bridge rectifier
• The DC output of the rectifier is fed to 4 Nos. of Axle hung
nose suspended DC series traction motors of 208 KW rating
• The alternator excitation, engine rpm and power output is
regulated by an Electronic Governor
12. TECHNICAL DETAILS OF MOTIVE POWER EQUIPMENT –
1400 HP DEMU
(i) Engine
CIL CATERPILLAR
Model KTA 50 L 3508B
Type 16 cylinder
60 deg. V
8 cylinder
Inline
HP 1400 1400
Rated RPM 1800 1800
Weight (Kg) 4858 4975
SFC at rpm
(gm/bhp/hour)
215.93 197.6
13. ▪8 car rake with two
power cars at ends
▪ Power cars equipped with
1400hp Diesel power pack
▪ All coaches fitted with Roof
Mounted Heating Units
(RMHU) to keep interiors
warm
▪ Two trailer cars fitted with
underslung diesel alternator
sets to power the RMHUs
▪ Switch over to 1600hp AC-AC
DEMU from 2016-17.
1400 hp DEMU - 2006
16. 1600 HP IGBT AC DEMU
➢ First rake Manufactured in 2013
➢ Rake formation – 1DPC+1TC/V + 6 TC + 1TC/V + 1 DPC
➢ Each rake has 10 coaches against 8 coaches on 1400 hp DEMU
➢ Stainless steel Shells of Linke Hoffman Bosch (LHB) design
➢ Sidewall, endwall of SS-409 M grade, roof SS-304 and underframe
of corten steel.
➢ IGBT ( Insulated gate bipolar transistor) – latest switching device)
Based 3 phase technology
➢ Wider vestibule openings in ends for easy movement of
passengers.
➢ Aluminium windows with polycarbonate fixed louvers on top and
bottom half movable
➢ FRP Panelling with concealed fasteners
➢ Improved design cushion seats
➢ Trailer coaches provided with toilets.
17. New generation Diesel Engine with Electronic fuel
Injection (EFI) system. 1600 HP @ 1800 RPM
Emission compliant and fuel efficient engine
Engine Control Unit (ECU) for engine control and
functions and protection
Compact Hydraulic cooling system with microprocessor
based control.
Starting system uses separate battery bank with starter
motor. After cranking small alternator charges this
battery
Hydraulically operated ventilation and radiator fans
Common base rail for mounting Engine and Traction
Alternator with a coupling between them.
1600 HP Diesel Engine
22. • On Diesel power cars -Governing of the engine speed
as well as alternator excitation and load control is
achieved through the Locomotive Control Console
(LCC).
LCC
Notch
Engine
RPM
TA V
TA I
Actuator
Exciter field
current
TRACTION
ALTERNATOR
Wheel slip
25. 8th Notch working with Full Auxiliary Power
➢ Engine HP at Site conditions 1617 HP
➢ Mechanical Auxiliary Power (Radiator, compressor) 120 HP
➢ Input to Traction Alternator (Traction +APC I/p) 1497 HP
➢ Traction Alternator Output (Alt. Efficiency 95%) 1422 HP
➢ Rectifier Output (Rect. Effi. 99.5%) 1415 HP
➢ Tr. Converter Input (Rect. O/P - APC power) 1371 HP
➢ Power input to Tr.Motors (TI Effi. - 99%) 1357 HP
➢ Power Available at wheels (Motor & Gear Effi.-91%) 1237 HP
➢ Power available per wheel (309 HP) 227 kW
AC-AC DEMU – FUNCTIONS
CONSTANT HP CONTROL
26. EU III A Compliant Diesel Engine
Cummins QSK 50
CAT 3512 C
1800 RPM 2200 HP
Approx Weight 7 Tons
27. ✓ Air Intake
system
(Turbocharging)
✓ Fuel oil System
✓ Lube oil system
✓ Cooling system
✓ Governing/
actuation
✓ Over speed/
Temperature
protection
30. • High-pressure injection system and electronic controls ensure clean,
powerful and efficient operation every time.
• The ECM continuously monitors data from strategically placed
sensors within the engine, optimizing the fuel-to-air mixture for
maximum combustion. Fuel is injected at pressures exceeding
25,000 psi.
• This results in better utilization of fuel with fewer emissions.
Getting more energy out of every drop of diesel fuel also results in
greater power.
• Multiple injection events during each power stroke yield smoother,
more consistent power at every rpm.
Electronic Fuel Injection
35. These motors are 3phase AC induction motor suitable for
VVVF (Variable Voltage and Variable Frequency) control.
Four AC Traction Motors two in each truck to drive
individual wheels.
Traction motor includes pinion, bull gear and gear case
assembly.
Two Traction motors are driven by a single Traction
Converter.
Traction Motors are self ventilated. Separate blowers are
not required.
Traction Motors
36. Advantages of AC Traction Motors:
• Have more pulling power
• Avoid stall burns in the traction motors
• Have correspondingly lower maintenance requirements
• One of the miracles of the AC motor is that in the AC
induction motor, the rotor has no visible electrical
contacts to the outside world. Instead, it has an electrical
field induced into it by the electrical field of the stator --
no commutator, no brushes
• The induction of the electrical field into the rotor happens
because of the characteristic pulsing flow of current in
AC.
Traction Motors