33kv 33steps Line Automatic Voltage Regulaor

• Current Type: AC
• Phase: Three Phase
• Frequency Characteristics: High Frequency
• Frequency: High Frequency
• Size: Large
• Transport Package: Wooden
• Model NO.: SZ10
• Specification: 15KV/27KV/38KV, 50HZ/60HZ,
• Trademark: HEMG
• Origin: China
• Production Capacity: 10000

Product Description

 

SCHEDULE (H)

TECHNICAL PARTICULARS AND GUARANTEES

VOLTAGE REGULATOR

The tender shall complete this schedule, and the particulars and guarantees will be binding on the contractor.

REQUIREMENTS	Unit	ITEM(1)
Frequency	Hz	50
Type of cooling		ONAN
Type of V.R ratio control.		TAPCON 230
Number of tapping	33
Regulation step range.	%	+/-10%
Oil type		Petro-China
PARTICULARS AND GUARANTEES
Impedance at 75ºC on principal tapping	%	8
Maximum flux density in core at normal voltage and frequency	TESLA	1.80
Type of core steel		Silicon Steel, 30Q130
Winding type		Copper winding
Short circuit current	KA	4.2
Type of paper insulation on conductors		Electrical insulation paper
No load losses at normal ratio and 50 Hz	KW	10
Load losses at CMR, 75ºC at normal ratio	KW	58
R.M.S. Exciting current at normal voltage on principal tap	Amps
-R.M.S Fundamental current	Amps	0.559
-R.M.S 3rd harmonic current	Amps	0.052
-R.M.S 5th harmonic current	Amps	0.12
-R.M.S 7th harmonic current	Amps	0.062
Temperature rise of windings at CMR above specified design ambient temp.	ºC	55
Temperature rise of top oil at CMR above specified design ambient	ºC	50
Temperature rise of core at CMR and rated voltage	ºC	70
Min duration at 40°C of over loading of rating 133%	In min	120
Min duration at 40°C of over loading of rating 150%	In min	100
Impulse withstand voltage of VR	kV
Phase connections
(I) 1.2 /50 Microsecond full wave	kV(peak)	170
(II) 1.2 /50 Microsecond chopped wave	kV (peak)	187
Total oil required	Liters	6180
Weight of complete VR (including oil)	Kg	23500
M.V. BUSHING INSULATORS
Make		PUKO
Type		BW-40/630-4
Voltage rating	KV	40
Current rating	Amps	630
Length of insulator(Overall)	mm.	875
Weight of insulator	Kg	18
Total creepage distance of bushing	mm	1256
Protected creepage distance of bushing	mm.	485
Dry withstand power frequency voltage	KV	95
Routine power frequency test voltage  (1 minute) (A) Positive (B) Negative	KV	95 95
Wet withstand power Frequency voltage	KV	80
Maximum diameter of bushing when passing through tank top	mm.	155
Penetration of bushing into tank measured from bottom of fixing flange	mm.	210
Overall dimensions of complete VR:-	mm	4900*3800*3800
Manufacturer name and place		HEMG
Testing Authority name and Place		HEMG