11kv/132kv 35mva/40mva 50Hz/60Hz Power Transformer

• Application: Power
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000
• Model NO.: SZ10
• Usage: Single-phase Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: High Frequency
• Transport Package: Wooden
• Specification: 132KV 40MVA
• Trademark: HEMG
• Origin: China
• Production Capacity: 10000

Product Description

SPECIFICATION
2.4.1  TECHNICAL SPECIFICATION FOR STEP UP
POWER TRANSFORMER	35/40MVA  STEP UP TRANSFORMER	35/40MVA  STEP UP TRANSFORMER
Sl. No.    Particulars	Factory Data	Factory Data
1.0    GENERAL
1.1    Name of Manufacturer		HEMG
1.2    Description
The specification refers to a Three Phase Oil
immerged ONAN/ONAF Cooling according to VDE/IEC/DIN/BS Standard.
2    Rated KVA	35000/40000	35000/40000
3    No Load Voltage Ratio	6.6/132KV	6.6/132KV
4    No. of Phase	HT -3 , LT - 3	HT -3 , LT - 3
5    Cooling	ONAN/ONAF	ONAN/ONAF
6    Installation	Outdoor	Outdoor
7    Frequency	50 Hz	50 Hz
8    Winding connection and material	Star-Delta, Copper	Star-Delta, Copper
9    Vector Group	Ynd1	Ynd1
10   tap
- Range	+10% to -20% at HV side.	+15% to -15% at HV side.
- No. of steps/POS	24 Steps, 25 Position	24 Steps, 25 Position
- Variation per step, %	1.25%	1.25%
11    Temperature rise, Deg. C
- Top oil	50 0C	50 ºC
- Winding	55 0C	55 ºC
12    Total loss at rated voltage at principal tapping and rated
frequency, kW	192.22	190.22
13    Component losses, kW
- No load loss at rated voltage at principal
tapping and rated frequency, kW	30	28
- Load loss at rated current at principal tapping at 75 Deg. C	160(122 ONAN)	160(122 ONAN)
- Auxiliary Loss	2.22	2.22
14    Impedance at rated current for principal tapping, %	11.35%	11.5%
15    No load current at rated voltage and frequency, Amps
16    Full wave lightning impulse withstand kVp	650 HV/ 70   LV	650 HV/ 95 LV
17    Efficiency at 75 Deg. C at unity power factor, %
- At full load	99.6824	99.52%
- At 75% load	99.6833	99.50%
- At 50% laod	99.6852	99.45%
18    Regulation at full load
- At unit pf	4	4
- At 0.8 lagging pf	10.01	10.01
19    Details of tap changer
- Make	Huaming China	Huaming China
- Type
- Range	+10% to -20% at HV Side.	+15% to -15% at HV side.
20    No. of steps/Position	24/25	24/25
a) Rated Voltage, kV	132 kV	72.5 kV
b) Step Voltage, V	1.25%	1000-1500V
21    Terminal arrangement
- HV		Bushing
- LV		Bushing
- Neutral		Bushing
22    Approximate masses, Kg
- Core & Windings	29300	31600
- Tank, fittings & accessories	19200	12000
- Oil	14500	12000
- Total	63000	55600
23    Heaviest package, Kg	49050(WITH OIL)	50000(WITH OIL)
24    Overall dimensions		6260*4950*5380mm(L*W*H)
25  Auxiliary power voltage
AC	3-phase, 220-240/415-440V, 50Hz	3-phase, 220-240/415-440V, 50Hz
	1-phase, 220-240Vac, 50Hz	1-phase, 220-240Vac, 50Hz
DC	110Vdc	110Vdc
FITTINGS & ACCESSORIES:
The following fittings and accessories will be	YES	YES
provided along with the main transformers.
	YES	YES
1Rating and diagram plate
	YES	YES
a) Two (2) Nos. safety earthing terminals for
transformer tank and radiator banks	YES	YES
b)Lifting lugs
	YES	YES
c)Jacking pads
	YES	YES
d)Skids
e)Pulling eyes
	YES	YES
f) Terminal marking plate
g) Conservator (main chamber and OLTC chamber) with filling cap. drain	YES	YES
valve, vent pipe and equaliser connection.
	YES	YES
h)RTCC Panel
i)Magnetic type oil level indicator with 150mm dia dial and alarm	YES	YES
initiating contacts for low and high oil levels.
	YES	YES
j) Explosion vent with double diaphragm
	YES	YES
k)Inspection cover
	YES	YES
l)Pressure relief device
	YES	YES
-    Air release devices
-    De-hydrating breather complete with 1st fill of activated alumina or	YES	YES
silica gel
-    150 mm dial type oil temperature indicator with alarm and trip	YES	YES
contacts and maximum reading pointer.
-    150 mm dial type winding temperature indicator with alarm & trip	YES	YES
contacts and maximum reading pointer.
-    Double float Buchholz relay with alarm and trip contacts, tests,	YES	YES
cocks and window to view the trapped gas.
-    Oil drain valve at bottom.	YES	YES
-    Oil sampling valves at top, middle and bottom.	YES	YES
-    One (1) shut-off valve each, on either side of Buchholz relay.	YES	YES
-    Sampling gas collectors for Buchholz relay at accessible height.	YES	YES
-    Bank of radiators with isolating valves at top and bottom for
connections between the transformer tank and radiator banks.	YES	YES
-    Plain oil level gauge.	SIZE DESIGN AS PER US	SIZE DESIGN AS PER US
-    Bi-directional flanged rollers suitable for 1676 mm gauge.	2000x1435	2000x1435
-    Weather proof marshalling box for housing dial type temperature
indicators, terminal blocks etc. and complete with toughened glass
window, space heater, internal illumination etc. The wiring from
various accessories / fittings to marshalling box will be by 1.1 kV
grade PVC insulated, sheathed and armoured copper conductor cable of
size 2.5 sq.mm. Marshalling box shall be mounted on the transformer	YES	YES
tank and not on radiator banks.
-    Climbing rungs or ladder.	YES	YES
X    HV neutral bushing
	TERMINAL BOX SHOW WTI OTI	TERMINAL BOX SHOW WTI OTI
-    WTI CT terminal box
-    Earthing terminal with M12 tapped holes
x    HV and LV cable boxes with bushings	LT bushing up outline with flange,HT CANCEL	LT bushing up outline with flange,HT CANCEL
-    On Load Tap Changer (OLTC) with oil surge relay, RTCC, AVR
-    Oil filler pipe with cap for transformer conservator and OLTC
Chamber (50 mm dia).
CT
HV CT: 200/1 , 15 VA, 5P 20	HV CT: 300/1 , 15 VA, 5P 20  1PC/PHASE	HV CT: 100/1 , 15 VA, 5P 20  1PC/PHASE
HV Neutral CT: 200/1-1. (Two core) 15 VA 5P 20 for REF & SEF	HV N CT: 300/1  15 VA 5P 20    1PC/PHASE	HV N CT: 100/1  15 VA 5P 20    1PC/PHASE
LV CT : 2400/1,  15 VA, 5P20	LV CT : 4000/1,  15 VA, 5P20   1PC/PHASE	LV CT : 1200/1,  15 VA, 5P20    1PC/PHASE
WTI CT: 1837/5 A (Depends on your WTI)	WTI  CT: 300/5 A	WTI  CT: 100/5 A