1.Should have knowledge of maintenance, trouble shooting & operation of auxiliaries for generator (upto 1000 MW) like single & double flow seal oil system, stator coil cooling water, lubrication oil system, jacking oil system, H2 & CO2 handling.
2.Should have knowledge of electrical testing on stator & rotor manufacturing :
a.Generator stator:
i.Insulation resistance measurement
ii.DC winding resistance
iii.Tan delta & capacitance measurement
iv.Partial discharge measurement
v.NFT of overhang winding
vi.Core loop flux test
vii.ELCID
b.Generator rotor :
i.Insulation resistance measurement
ii.DC winding resistance
iii.Impedance measurement
iv.RSO
3.Should have knowledge of generator routine & type test during dynamic condition:
a.Temperature rise – heat run
b.Open circuit test
c.Short circuit test
d.Sudden short circuit test
e.Negative sequence & Positive sequence test
f.THF & Voltage waveform deviation
4.Should have knowledge of IEC, ISO standards for electrical testing of generator ( up to 1000 MW) & High-speed balancing of turbine / generator rotors
5.Should have knowledge of Low speed & high-speed balancing of turbine & generator rotors
6.Should have knowledge of assembly of rotors in high-speed balancing tunnel
a.Able to visually check rotor
b.Able to take TOP / Side clearance of bearing & rotor journal
c.Able to perform alignment of rotor with motor shaft
d.Able to trouble shoot issues pertaining in assembly process
7.Can study P&ID, electrical drawings for maintenance & operation parameters
8.Have a positive approach for trouble shooting of electrical, mechanical & instrumentation issues in generator testing, high speed balancing &
9.Able to handle unionized workmen in shift, ready to work in shifts
10.Additional Vibration category – 2 certification is preferable
11.Able to handle customer at site for overhauling activities like in-situ balancing, electrical test on generator stator & rotor, calibration of instruments & operation/maintenance of auxiliaries, ready to travel at different sites
12.Should have knowledge of basic instrumentations/transducers like pressure transmitter, pressure gauge, RTD, Thermocouple etc.
13.Able to operate electrical testing kits like
a.Insulation tester
b.High voltage test set-up
c.Micro-ohm meter
d.PD kit
e.Tan- delta kit
f.Function generator
g.1- phase variac
Source: Larsen & Toubro careers — Read the original posting and apply
This role is listed by the employer on its own careers site. Kaam Ki Khoj does not process applications for it.
Larsen & Toubro is an employer in the Construction/Engineering sector with operations in India. This is a directory listing maintained by Kaam Ki Khoj so that candidates can find the organisation; it is not an official company page and Kaam Ki Kh... Read More
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