Servo Stabilizers : Industrial Electrical Corporation

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Technical data:

Variac Technical Datasheet

1. Make : Industrial Electrical Corporation
2. Rating in Amp. : 2 to 600 Amp.
3. Input Voltage : 240 V For 1 Ph. & 415 V For 3 Ph.
4. Input Frequency Range : 50 Hz. +/- 3%
5. Output Voltage Range : 0 to 270 V/ 300 V Variable for 1 Ph.
0 to 470 V / 500 V Variable for 3 Ph.
6. Type of Installation : Indoor.
7. Type of Cooling : Oil cooled or Air Cooled
8. Type of Enclosure : Open Type or Close Type
9. Specification of Oil : Transformer Oil as per IS 335.
10. Operation : Hand Operated or Motorized
11. Temp. rise above ambient :

45 C Maximum More than Atmosphere temp. (as
per IS specification)
12. Duty Cycle : Continues
13. Mounting : Floor Mounting or Free on wheel
14. No load losses : Not more then 3%
15. Load losses : 5 to 7 % at full Load
16. Regulation : +/- 1 %
17. Carbon brush :

Strip or Roller Carbon brush
Angular Pressure Roller Carbon Brush Assembly Which will protect the winding wire from Vertical Pressure deformation. ( roller carbon brush above 40 Amp.)
18. Paint : Powder Coated or Paint color

Stabilizer Technical Datasheet

1. Make : Industrial Electrical Corporation
2. Rating in Amp. :

1 to 1500 kVA , 3/1 Phase, Balance / Unbalance type.
3. Input Voltage Range :

170 -270 V / 150 - 270 V for 1 phase ( can also provide min. range 120 V and max. range 300 V )
360-480 V / 330 - 480 V / 300 - 480 V for 3 phase ( can also provide min. range 250 V and max. range 500 V )
4. Input Frequency Range : 50 Hz.
5. Output Voltage Range :

220 / 230 /240 V +/- 1 %, adjustable 5 % for 1 phase
380 / 400 / 415 V +/- 1 %, adjustable 5 % for 3 phase
6. Output Freq. Range   50 Hz.
7. Type of Installation : Indoor./ outdoor
8. Type of Cooling : Air cooled / Oil cooled. ( without oil )
9. Qty. of Oil : Depends on rating of stabilizer.
10. Oil Type : Transformer oil as per IS 335.
11. No. of parts of Stab : 1 No.
12. Temp. rise :

45 C Maximum More than Atmosphere temp. (as per IS specification)
13. Correction Rate (V/Sec.) : Max. 32 Volt / Sec.
14. Wave Form Distortion : Nil
15. Duty Cycle : 100 % or S1
16. Mounting : Floor mounted / Free on wheel
17. Metering :

voltmeter with selector switch Ameter with selector switch ( customer request )
18. Indicating Lamps :

Power On , High / Low voltage Indication,
19. Protection ( on request ) : A) Over Load Protection
B) Over / Under Voltage cut off
C) single phasing preventor
D) short circuit protection
20. Bypass Facility : on request of customer
21. No load losses : 1 % of the rated VA
22. Load losses at full load : 3 % of the rated VA
23. Efficiency at 50 % load : More than 98.5 %
24. Efficiency at 80 % load : More than 98 %
25. Efficiency at full load : More than 97 %
26. Regulation : +/- 1 %
27. Life of roller carbon brush :

Min.5 Yrs. Roller Carbon with min wear & tear.
Angular Pressure Roller Carbon Brush Assembly Which will protect the winding wire from Vertical Pressure deformation. ( roller carbon brush above 40 Amp.)
28. Construction :

MS sheet with square pipe for air cooled / Bottom part is with oil tank and above portion are framing with angle structure and covered with fabricated sheet with gasket for oil cooled.
29. Size of the unit : Depends on rating of stabilizer.

Isolation Transformer Technical Datasheet

1. Power Rating : Up to 100 kVA
2. Input Voltage : As Required
3. Acceptable input Voltage : +/- 10 %
4. Mode Of Operation : 1:1 Isolation Transformer
5. Common Mode Rejection. (Transient, Spikes, Surges) : Greater Than 110 dB
6. Coupling Capacitance   Less Than 0.005 pF
7. DC Galvonic Isolation :

More than 1000 M ohms between any windings and winding to ground.
8. Break Down Strength : 2500V AC For 2 min.
9. Load Regulation : 1 %.
10. Termination :

Brass studs with adequate rating/terminal block
11. Size : As per rating
12. Weight : As per rating
13. Operating temperature range : 15 deg. C to 50 deg. C
14. Relative Humidity : 90 % RH, +/- 5 %
15. Range : 1 KVA to 100 KVA

L.T.Transformer Technical Datasheet

1. Make : "IEC" make
2. Rating : Upto 500 KVA - 3 Phase, 4- wire
3. Input Voltage : As per customer requirement
4. Output Voltage : As per customer requirement
5. Frequency : 47 - 53 Hz.
6. Winding   Copper wound
7. Vector diagram : Y-Y / Y - D / D - D
8. Tapping :

+/- 2.5 % or 5 % at primary & Secondary (customer requirement )
9. Insulation : oil Cool : A or B Class
Air cool : E/F Class or H class
10. Temp. rise : 45 / 50 Degree cel.
11. Type of Cooling : Oil cooled / Air cooled
12. Duty Cycle : Continuous
13. Wave form distortion : Nil
14. No Load : 1 % of rated VA
15. Load losses at full load : 3 % of rated VA
16. Efficiency At Full load
At 80 % load
At 50 % load

:

 98.3 %
99 %
99.2 %
17. Mounting : Free on wheel.
18. Enclosure  

Oil cooled Tank type
Air cooled Fabrication box with angle structure with ventilation.

H.T.Transformer Technical Datasheet

1. Make : "IEC" make
2. Rating : Upto 1500 KVA - 3 Phase, 4- wire
3. Input : 11 / 22 / 33 / 66 KV
4. Output : 415 / 433 V. A.C. -/+ 5 %
5. Frequency : 47 - 53 Hz
6. Winding : Copper wound / Alluminium wound
7. Vector diagram : DY 1 / DY 11 / DY 5 / YY 0
8. Tapping :

primary : 11550 / 11275 / 11000 / 10725 / 10450 V
Secondary : +/- 2.5 % or 5 %
9. Insulation : oil Cool : A or B Class
Air cool : E/F Class or H class
10. Temp. rise : 45 / 50 Degree cel.
11. Impedance : 4.5 % / 5 % / 6 % / 7 % / 10 % max.
12. Type of Cooling : Oil cooled / Dry type Resincast
13. Duty Cycle : Continuous
14. Wave form distortion : Nil
15. No Load : 1 % of rated VA
16. Load losses at full load : 2 % of rated VA
17. Efficiency At Full load
At 80 % load
At 50 % load		 : 98.3 %
99 %
99.2 %
18. Mounting : Free on wheel.
19. Enclosure :

Oil cooled Tank type
Air cooled Fabrication box with angle structure with ventilation.

 

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 Vari-O-Stat  |  Servo Stabilizers  |  D.C. Motor Drives  |  Isolation Transformer  |  L.T. Transformer  |  H.T. Transformer

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