Specification :
Range
:
0 1999
Accuracy : ± 10 %
Repeatability : ± 2 %
Response Time
: <2
Minutes
Size : Sensor
Head - 50 mm diameter
Length
- 50 mm
Control
cum display - (170x100
x 200) mm
Unit
- mm
Weight :
Sensor Head - 0.5 Kg
Control
Cum Display Unit
-
Display
:
LED (4 digit)
Input
Power :
220 V AC <100 mA
Alarm
: Lower Limit
- Visual alarm
Upper
Limit - Audio
and visual alarm
Salient features
Sense evolved (free) hydrogen gas
Sense initialization of fault
Both types of electrical & thermal faults can be sensed
Fault in any portion of transformer tank can be sensed
Comparatively more sensitive than conventional Buchholz relay
Easy & quick installation without any major modification in transformer tank
Provide visual / audio alarm for necessary remedial action
Results observed on field trials are encouraging
Comparatively cheaper than imported one
Application :
Power Transformer, Distribution transformer, LOCO
Transformer, Rectifier Transformer, Furnace Transformer, Auto Transformer
Technology Transfer Status: -Closed upto 31-08-2006
Specification
Low tension Air Circuit breaker
Rated Current 250 A to 2000 A in three frame sizes
Rated operational voltage 415 V
Rated Insulation voltage 1000 V
Rated frequency 50 Hz
Rated making and Breaking capacity Frame 1 & 2 50 kA Frame 3 60 kA
Short time withstand current 60 kA 1 Sec.
Overall size :-
Frame 1 & 2 513 x 312 x
230 mm
Frame 3 513 x 505 x 203 mm
Weight (Approx.)
Frame 1 & 2 32 kg.
Frame 3 50 kg.
Salient features :
Type tested successfully as per IS : 13947 (Part 2) 1993
Indigenously developed
Compact size
Modular design
Low cost compared with other makes for same capacity.
Application
Low
Tension Distribution system
Industries
Technology Transfer Status:- Closed
Specification:
3 ph, Rating : 7.5 kw ; 415 kV/320 V Head : 90 m; Discharge : 5 lps; Overall efficiency : 53 %; current : 15.6 A/20 A; Motor efficiency : 82 %; Speed 2880 rpm; size : 150 x 65 mm; 10 stages
Salient features:
The developed 7.5 kw (10hp) submersible pumpset meets the requirements of the IS 8034.
The developed 10hp submersible pumpset operates at lower voltage of 320V (-15%) without drop in the efficiency values
The efficiency values of submersible motors at 415V and 320V are compatible with imported makes motors. The efficiency values are constant from 75% load to 110% load
The efficiency curves are having flat characteristics as stated above. Hence any small change in the operating point will not affect the efficiency.
The present day overall efficiency of the existing 10hp submersible pump set having same duty point of 90m head and 300 lpm, 10 stage is around 46% (As per IS 8034-2002 the overall efficiency is 44.1%). The achieved overall efficiency of upgraded 10 hp submersible pump set is 53%.
Application
: Agricultural purposes
Technology Transfer Status:-Open at present
Specification :
Minimum Sampling interval :- 20 milliseconds
Operating voltage for the system: - 230 volt a.c.
Input signal voltage :- 230 / 110 volt a.c.
Circular storage buffer, which can hold data for past 21 minutes
Salient features :
Eight 7 Segment displays for displaying FREQUENCY (F) and RATE OF CHANGE OF FREQUENCY (dF/dT).
Multi level LED indication for dF/dT. In case dF/dT exceeds the set(s) value it will provide a LED indication.
Feather touch keypad to program the system in different mode.
A RS-232 port, which can be used to upload data from FTM to PC.
PC based software, which generate a file in the EXCEL format. User can use EXCEL software for analyzing the logged data in textual or graphics form.
The format of FREQUENCY display as 50.12 Hz.
The format of dF/dT as ± 0.12 Hz / sec.
Application :
For analyzing system behaviour in case of contingency by continuous automatic measurement of df / dt and recording it on PC, Load Shedding.
Technology
Transfer Status : Open at Present
5. DC MCBs for 5 kA, 130 V DC fault level
Specification :
Rated current :- 20 A DC.
Rated Voltage :- 110 V DC
No. of Poles :- Single Pole
Din channel mounted
Rated Breaking capacity :- 5 kA at 130 V DC
Salient features :
Indigenously Developed
Modification on existing Design of MCBs.
Meets the requirements of RDSO specification.
Application :
Utilities
RDSO (Railway)
Other specialized uses for DC distribution
Technology Transfer
Status :Closed upto 27th
February 2008
Specification :
Rated operation voltage :- Ue 240 /415 V
Rated operation current :- Ie 10 A
Max. short circuit current :- 25 kA rms Approx.
Current Limit :- 3.8 kA peak (at 25 kA, 240 V)
Total operating time :- Approx. 3.5 ms
Total let through energy :- 14 kA2s
Power losses per phase :- 1.7 watts
Resistance cold :- 8 milli-ohm / phase
Salient features :
No. movable parts
Light in weight & can be used with lower rating MCB (i.e. old protective service).
Reduce risk of fires & damage to connected equipment
New concepts
Increase life of the protective device.
Application :
Utilities & Manufacturer
Technology Transfer Status:-Open at Present
Specification:
Rated Voltage 11 kV
Rated Current 80 A
No. of Poles 3
Braking capacity 1.5 MvA load with 0.7 power factor
Rated Short time withstand current 40 kA Peak
Power frequency high voltage 28 kV
Impulse withstand voltage 75 kV
Mounting Arrangement - Horizontal
Salient features:
Meet requirements of IS : 9920 1985
Indigenously Developed
More economical than 11 kV HT Circuit breaker
Centrally controlled from Control room for HT & LT feeder for load shedding.
Reduce manpower utilization
Application:
Demand side management of Electrical Power.
Technology Transfer
Status: Closed
Specification :
Type :- static 1 phase, 2 wire
Voltage rating :- 240 V
Basic current :- 10 A *
Max-Current :- 40 A.
Frequency :- 50 Hz
Class of Accuracy :- CL 1%
Energy Register :- Impulse Counter
Micro-controller based using discrete components
Salient features :
The Required Feature can be added
as per requirement as software is developed indigenously.
Application :
KWh measurement for domestic consumers.
Governing standard: IS 13779-1993
Technology
Transfer Status: Open
at Present
*Other current ranges can be provided as per customers requirement
Specification:
Type :- Three phase, four wire
Voltage rating :- 240 V
Basic current :- 10 A *
Max. Current :- 40 A
Frequency :- 50 Hz
Class of Accuracy :- CL-1
Energy Register :- Impulse Counter
Micro-controller based
using discrete components
Salient features : The required Feature can be added as per requirement as software is
developed indigenously.
Application :
kWh measurement for domestic consumers.
Governing standard: IS 13779-1993
Technology
Transfer Status: Open
at Present
* Other current ranges can be provided as per customers requirement.
10. ASIC based
single phase Class 1 Energy Meter
Specification :
Type :- Static Single phase, two wire
Voltage Rating :- 240 V
The Voltage range :- + 20 % to 40%
Current :- 10 A*
Max overload current :- 400 % of lb
Max Current :- 40 A
Frequency :- 50 Hz
Class of Accuracy :- CL 1
Energy register :- Impulse counter/Stepper motor counter
Calibration LED :- 6400 pulses / kwh
Salient features :
Cost effective
Tamper indication by monitoring both live & neutral
Measures energy correctly in both the direction
Application :
Kwh measurement for domestic consumers.
Governing Standard: IS 13779-1999
Technology
Transfer Status: Closed
upto 31-08-2006
* Other current ranges can be provided as per customers requirement.
Specification:
Type :- Static, Three Phase Four wire
Voltage Rating :- 240 V
The voltage range :- + 20 % to 40 %
Basic Current :- 10 A *
Max overload current :- 600 % of Ib
Max Current :- 60 A
Frequency :- 50 Hz
Class of Accuracy :- CL-1
Energy register :- Impulse counter / Stepper motor counter
Calibration LED :- 3200 pulses / kwh
Salient features:
Cost effective
Temper indication by monitoring both live & neutral
Measures energy correctly in both the direction
Application:
Kwh measurement for domestic consumers .
Governing Standard : IS 13779-1999
Technology Transfer Status: Closed
* Other current ranges can
be provided as per customers requirement.
Specification :
On line filtration system having some adsorbents mounted in the flow line of transformer oil outside the main tank.
Normally this system is installed on ONAN or ONAF type cooled
transformers.
Salient features :
Removes oxidation products like acid, sludge and moisture from oil
Improves electrical properties like BDV, Resistivity and dielectric dissipation factor.
Reduces frequency of routine oil filtration.
Improves heat dissipation
Increases entire service life of oil.
Application
: Transformers
Technology Transfer Status :Open at Present
Specification :
Software satisfies the REC specifications.
Capacitor bank ON & OFF operation is based on load kVAr sensing.
2 minutes delay in switching ON operation.
Instantaneous switching OFF of capacitor bank.
Salient features :
Transient free switching of capacitor bank
Load kVAr based automatic switching
Voltage & current unbalance sensing and switching OFF operation of capacitor bank accordingly.
Suitable for outdoor applications (IP 55 tested)
Improved life of capacitor
Negligible maintenance
Any number of noise free operations in a day
No dips in supply line voltage
Improved voltage regulation
All solid state circuitry and no electromechanical device
Automatic power factor correction (energy saving)
Highly reliable electronic control
Application :
Automatic power factor correction
Energy saving and voltage regulation in agricultural and industrial loads
Can also be installed at substations on the secondary of distribution transformer
Tested at ERDA and also satisfactorily completed one year of field trials at one of GEBs agricultural load (GEB, Chhani) of 30 HP).
Technology
Transfer Status : Open at Present
14.
Electronic
ballast for 70 watt HPSV Lamp
Specification :
Rated Supply Voltage: 240V AC
Supply Frequency : 50 Hz (Power Freq.)
Supply Current: 0.356 Amps
Power Factor: 0.994
Low THD content: 6.87%
Efficacy (Lumens/Watt): 73.3
Salient features :
Parameter
Reference ballast
Prototype Electronic Ballast
Input voltage 240 V 240 V
Input current 0.966 0.356
Input Wattage 84.1 Watt 84.9Watts
Power Factor 0.363 lag 0.994 lead
Lamp Wattage 69.1 watts 73.7 watts
Power loss 15W 11.2 W
THD 9.1% 6.87%
Lumen 5668 6223
Application : Industrial and Street lighting (70 Watt HPSV Lamp)
Technology
Transfer Status: Open
at Present
14a. Electronic
ballast for 150 watt HPSV Lamp
Specification :
Rated
Supply Voltage:240V AC
Supply Frequency:50 Hz (Power req.)
Supply Current: 0.707 Amps
Power Factor: 0.988
Low THD content: 7.8%
Efficacy (Lumens/Watt): >76.14
Salient features :
Parameter
Reference ballast Prototype Electronic Ballast
Input
voltage
240 V
240 V
Input
current
1.807
0.707
Input
Wattage 165.2 Watt
176 Watts
Power
Factor
0.381
0988
Lamp
Wattage
141.6 watts
156.12 watts
Power
loss
23.8 W
17.88 W
THD
9.9%
7.8%
Lumen
13700
13400
Application: Industrial and Street lighting (150 Watt HPSV Lamp)
Technology
Transfer Status
:
Open at Present
Rated Supply Voltage:- 240 V AC
Supply Frequency:-50 Hz (Power Freq.)
Supply Current:- 0.183 A
Low Crest factor:- ~ 1.41
Power Factor:- > 0.95
Low Power Consumption:- <3 watt
Efficacy (Lumens/Watt):- > 55
Ballast Lumen Factor:- > 90 %
Cathode Current To any Lead:- As per IS 13021
Low harmonics, Less than 26 %
Salient features :
Power Factor : 0.954
% THD
: 26 %
Crest Factor : 1.43
Wattage
: 42.9 for 40 watt Lamp
Type tests on
Prototype were carried out as per IS : 13021 (Pt. I & II)
Application : Industrial and domestic lighting (40 W tubular fluorescent tube)
Technology
Transfer Status : Open
at Present
Specification :
Load Capacity 4 kVA
4 Wire Shunt Filter Configuration
Three phase 440 V / 50 Hz Supply
Salient features :
System is load (customer) based
Harmonic Compensation
Reactive power compensation based on instantaneous active reactive power approach
High speed analog control
Current controlled pulse width modulated inverter
Most suitable for rectifier loads
Application : For any type of load for reactive power compensation and harmonic elimination at source side of load.
Technology Transfer Status
: Open at Present
16. Online Condition
monitoring of Induction motors through stator current
Specification : To detect online the presence of broken bars in 3 ph Squirrel cage induction motors.
Salient features :
It can detect online the failure of bars within squirrel cage induction motors.
Even the presence of one bar failure can be detected online.
Most useful, reliable and cost effective diagnostic techniques for the broken bars.
Can be used as preventive maintenance tool.
Application
:
Process plants, Utilities
Technology Transfer
Status: Open at Present
Specification : Single phasing controller suitable for 100 kVA 11 kV Distribution
Transformer
11000 V/433 V, 5.25 A/133.3 A
Salient features:
Under load shedding and lighting load can be supplied to the consumer
Indigenously Developed
Single phase 230 V Supply (Phase and Neutral) will be available for lighting load.
Application :
During load shedding utilities can prevent unauthorized use of 3 phase
agricultural pumps. Load shedding and lighting load can be maintained.
Technology Transfer
Status: Open at Present
Specification :
I/P :- Voltage 415 Vrms, 50 Hz, 3 Phase
O/P :- Variable voltage maximum up to 415 V rms
Variable frequency :- Max. up to 50 Hz.
Constant V/f.
120 deg mode, quasi-square wave.
Salient features :
Air cooled
IGBT based analog control
AT low frequency boost can be adjusted.
Over current trip.
Phase sequence
protection
Application :Speed control of induction motor.
Technology
Transfer Status: Open
at Present
Specification :
Solar cell voltage: - 18 V DC (Max. depending on sunlight).
Battery rating: - 30 AH
Output voltage: - 240 V AC, 50 Hz (quasi square wave)
Load capacity: - 100 VA
Battery back up for continuous three hours
Salient features :
Closed loop PL controller base inverter.
Inverter short circuit protection in control circuit.
In-built battery over voltage protection.
Battery under voltage cut-off.
Battery charging indication on front panel.
Individual glass fuse for pump motor, battery charger and inverter.
Under voltage cut-off relay bypass facility.
Application
: Water pumping in farms and houses, lighting, heating and other domestic
applications.
Technology
Transfer Status: Open
at Present
20.
Three Phase
Hysteresis Motor
Specification :
Phase :- 3
Rating :- 1.1 kw
Voltages :- 415 V
Speed 1500 rpm
Salient features:
Robustness in Construction
· High starting and synchronizing torque
· Constant torque speed characteristics
· Self starting
· Motor can pull with synchronism any load which it can accelerate.
Application : Textiles machines, record players, electric clocks, computer drives.
Technology Transfer Status :Open at Present
21. Cooling fan motor for bus duct
Specification : 15W, 2880 rpm
Salient features:
Can operate without any external power supply
Operate with minimum of 5kA current flowing in the phase conductors
Cooling increases with increase in the current in the phase conductors
Application : For Cooling of phase conductors mounted inside the bus duct
Technology
Transfer Status :Open at Present
B. Smart Materials
Specification : Polymer based Paint
Salient features :
Good adhesion and compatible with cable sheath
Weather resistant
Excellent fire resistance
Fast curing at ambient
Long shelf life
Economical
Application: Fire retardant coating compound for non FRLS cables. Applied by brush or spraying.
Technology
Transfer Status:
Open
at Present
Specification :
Room temperature curing, silicone based coating for outdoor applications. Posses excellent hydrophobic property.
Salient features:
Room temperature curing.
Excellent hydrophobicity
Good adhesion to insulator surface
Good electrical and mechanical properties
Economical
Specification:
A) Reversible Thermochromic material Transition
temperature:
(1) 70°C
(2) 50°C
Colour Change :
(1) Red to Black
(2) Yellow to Orange
B)
Inversible Thermochromic material :
Transition temperature :
(1) 75°C (2) 110°C
Colour Change :
(1) Pink to Blue
(2) Pink to Blue
Salient features:
The compounds are synthesized using low cost indigenously available raw materials.
Stickers were designed to read temperature easily.
Suitable for temperature sensing at difficult to reach complex electrical installations, reaction vessels in chemical industries etc.
Application
: Temperature sensing in specific
areas
Technology Transfer Status:
Open at Present
Specification :
This is a polyolefin based crosslinked polymeric material
Tensile strength, MPa :- 12
Elongation at break, % :- More 350
Dielectric strength in air :- > 25
At room temperature, uV / mm
Volume resistivity, W cm :- > 1015
Dielectric constant :- 2.3
Water absorption, % : Less than 0.1
Heat resistance
Elongation after 1682 h ageing at 158°C, %:200
Salient features:
Meets the requirements of ASTM D 3149-85
Raw Materials are easily available indigenously
Low cost
Application
: Cable jointing, busbar insulation, sleeving etc.
Technology Transfer Status
:
Open at Present
Specification :- Coating thickness = 30 mm
Salient features :
Comparatively economical to similar products
Manpower Saving
Time saving
Application :
Rusted Structural Parts
Technology Transfer Status :
Open at Present
27. Polymeric
Coating system for under water equipment and components subjected to erosion
Specification :
3 coat Polymeric System
Salient features :
Coating system consists of three coats 1st Coat Epoxy Putty to fill up cavities formed due to erosion.
2nd Coat Polyurethane for cavitation resistance, applied (by brush) over putty or on fresh surface.
3rd Coat epoxy having ceramic fill for erosion resistance, applied on polyurethane.
Thus, forms a triple coat having very hard base of putty (in case of eroded part), cavitation resistant layer in the middle and abrasion / erosion resistant epoxy on the top.
Application :
All underwater equipment and components which are subjected to silt /
cavitation erosion, such as hydro turbine runner blades, pump impeller casing
etc.
Technology
Transfer Status: Open
at Present
28. Electro less
Nickel coating for metals / nonmetals
Specification :10 mm
coating thickness
Salient features :
Excellent Uniformity
Good wear resistance (due to increase in hardness)
Excellent corrosion resistance
No need of external power supply
No anode is required
Simplicity of process
Alloy coating of Ni-P and Ni-B
Adjustable magnetic and electrical resistivity
Good wetting characteristics
Low Hydrogen absorption
Application: Any metallic surface which needs better corrosive and wear resistance.
Technology
Transfer Status: Closed upto 2nd January 2008
Specification:
Tracking resistance at 250 Volts passes
Water absorption at ambient temperature for 24 hours, % - 0.7
Glow wire test at 850°C for 30 Sec. Specimens extinguished within 5 sec after removal of flame.
Ball pressure test at 125° C Depth of indentation is less than 2 mm.
Mechanical strength (10 blows of suitable impact tester) No cracks observed
Salient features:
Meets the requirements of standard for properties tested. The raw material and other ingredients are easily available in the market. Processing is easy. Can be prepared in any colour by adding pigments.
Application :Domestic switches, Plugs and Sockets.
Technology Transfer
Status - Open at Present
Specification:
Dielectric loss factor :- 0.007
Permittivity: - 3.52
Volume resistivity, W - cm :- 1.4x1015
Arc resistance, Sec :- 76 82
Electric strength, kV/mm:- 16 17
Hardness, Shore A :- 90 93
Salient features:
Apart from above, the resin when used as a binder for making non-ceramic insulators, showed good cantilever strength. It is cheap and suitable for insulator application.
Application:
VER can be used as thermosetting resin for many industrial applications
and as a binder in resin lean non-ceramic polycrete insulators.
Technology Transfer
Status: Open at Present
Type :- Two pack system
Wet film thickness :- 50 micron
Specific gravity :- 1.2
Dry film thickness :- 43 micron
Shade :- Black
Resistance to impact :- No cracking
Texture :- Semiglass
Natural salt spray test for 100 h :- No sign of deterioration and corrosion on the surface.
Flexibility :- No cracking or detachment of film
Resistance to acid (15 %) :- Good
Resistance to alkali (15 %) :- Good
Percent Solid content :- 85 88
Adhesion :- Good
Resistance to water (after 48 h immersion at ambient temperature) :- Good
Salient features:
Ease of application.
Useful in sealing cracks and surface porosity.
Good bonding to building materials
Forms a tough elastic water proof film on curing.
Covering capacity : 1020 sq. m per litre at 20-25 micron thickness.
Application :
Can be used for coating steel and concrete water tanks, sewage pipes, underground water retaining and marine structures, wooden poles, crude oil tanks and on any surface where corrosion resistance is required.
Technology Transfer
Status: Open at Present
Specification :
Curing time :- 24 h at ambient temperature
Hardness, Shore A :- 10 30
Volume Resistivity :- > 1012 ohm cm
Tensile strength :- 5 kg / cm2
Elongation :- 60 %
Thermal conductivity :- 0.25 W/m.k
Salient features
Easy to use
Room temperature curing
Easy availability of raw materials
Does not affect the properties of capacitor
Can be used for encapsulation of other electrical items with a
little or no modification
Application: As an encapsulant for dry type LT capacitor
May be used for other structural items too with a little or no modification.
Technology Transfer
Status: Open at Present
Specification :
Colour :Pale yellow
Consistency :Grease (Gel) like
Odour :Similar to vegetable oil
Weathering stability :Slight colour change after 60 days of accelerated ageing test as per ASTM G 53
Melting Point: 70° C
Cone penetration at 27° C :15 mm
Coverage (@ 5 mm thickness) :5 kg/m
Salient features :
Low cost, easily and locally available raw materials
Non toxic and eco friendly coating
Easily applicable by brush and no adverse effect on human skin.
Coating does not cause any harm to bird.
Application
:Coating
can be applied on any solid substrate.
Technology
Transfer Status: Open
at Present
34.
Martensitic Low Alloy Steel Hammer
Rings
Specification :
Micro alloyed steel based hammer rings for ring granulators.
Unnotched Charpy Impact Strength 70 Joules/cm2
Tensile Strength of Heat-treated material - > 900 Mpa.
The room temperature microstructure comprises of acicular ferritic and a distribution of matrix and grain boundary primary & secondary carbides.
Salient features :
One set of hammer rings can crush about 2.3 lakhs tons of coal.
The hammer rings are ferromagnetic
The rings are fabricated using a proprietary sand casting process.
Good wear resistance in dry and wet coal grinding condition.
Application:
Deployed
as impact crushing elements in ring granulators for secondary coal crushing
applications.
Technology
Transfer Status: Open
at Present
35. Silver Tin Oxide Contact Material
Specification :
Density: 98% of theoretical value of Density
Hardness: 87 VPN
Conductivity: 78% IACS
Microstructure: Contact tip show uniform distribution of tin oxide