330kv 150mva Power Transformer

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: OSFSZ-165000/330
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001-2000, ISO9001
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: High Frequency
• Transport Package: Cargo
• Specification: 330KV 150MVA
• Trademark: HEMG
• Origin: China
• Production Capacity: 100

Product Description

 

1.               technical data schedules

2.1            Autotransformer, 150/165 MVA, 330/132/33 kV

TECHNICAL DATA SCHEDULE AUTOTRANSFORMER 150/165 MVA, 330/132/33 kV CODE NO: 4201
ITEM	DESCRIPTION	UNITS	REQUIRED	GUARANTEED
1.0	Manufacturer/Country	-	- Equipment that are compliant with KEMA, KERRI or CESSI Certifications.  (Attach Certificates and Type Tests report from STL  Members only)	YES
1.1	Type	-	Three-phase	OSFSZ-165000/330
1.2	Class		-	-
2.0	Rated data and characteristics
2.1	Rated power: - primary/secondary - tertiary	MVA MVA	150/165 30	165/165 30
2.2	Cooling	-	ONAN/ONAF	ONAN/ONAF
2.3	Rated voltage - HV winding - LV winding - tertiary winding	kV kV kV	330 132 33	330 132 33
2.4	Tap changer: - type - on-load tap changer location - regulating range - rating	- % -	Oil/Vacuum HV Neutral side   +4 x 1.25% -12 x 1.25% Rated power on all taps	Oil HV Neutral side +4 x 1.25% -12 x 1.25% Rated power on all taps
2.5	Frequency	Hz	50	50
2.6	Connection of the three-phase windings (group of vectors IEC 76)	-	YN,a0,d11	YN,a0,d11
2.7	Rated current at ONAF rated power and rated voltage tap:
	- HV winding - LV winding - tertiary winding	A A A	283 704 53	289 722(LINE)/433(PHASE) 303
2.8	No-load current through: - HV winding - LV winding - tertiary winding	A A A	@100% ≤0.4(max) ≤0.6(max) ≤0.6(Max)	@100% ≤0.4(max) ≤0.6(max) ≤0.6(Max)
2.9	Short circuit impedance		Base: rated voltage and 150 MVA	Base: rated voltage and 165 MVA
2.9.1	Direct impedance at nominal voltage tap: - HV/LV - HV/TV - LV/TV	% % %	15 50 33	15 50 33
2.9.2	Direct impedance at minimum voltage tap: - HV/LV	%	15	11.0
2.9.3	Direct impedance at maximum voltage tap: - HV/LV	%	15	16.3
2.9.4	Zero sequence impedance at nominal voltage tap	%	10,47
	- HV / LV - HV / TV - LV / TV	% % %	- - -	- - -
2.10	Tolerance to be applied to the short circuit impedance, in terms of % of the guaranteed value on:
	- nominal voltage tap - other taps	% %	+5 -15	+5 -15
2.11	Transformer capacity to withstand external short circuits:
2.11.1	Short circuit duration	S	2	2
2.11.2	Symmetrical short circuit current withstand during the indicated period and asymmetrical short circuit withstand:
	- HV winding	kA RMS kA (peak)	- 100kA/2s	- 100kA/2s
	- LV winding	kA RMS kA (peak)	60kA/2s	60kA/2s
	- tertiary winding	kA RMS kA (peak)	31.5kA/2s	31.5kA/2s
	- pre-fault voltage	p.u.	1.05	1.05
2.12	Guaranteed losses
2.12.1	No-load losses at rated voltage and frequency, with rated voltage tap	kW	≤71.5	≤71.5
2.12.2	No-load losses at 110% of the rated voltage, at rated frequency and rated voltage tap	kW	≤87.8	≤130
2.12.3	No-load losses capitalized value	US $/kW	3000	3000
2.12.4	Tolerance to be applied to no-load losses (in %  of the guaranteed value)	%	10	10
2.12.5	On-load losses at rated voltage and frequency, with rated voltage tap and ONAN rating: - HV winding - LV winding - tertiary winding At (165MVA)	kW kW kW KW	- - - ≤276	- - - ≤360
2.12.6	On-load losses  capitalized value	US $/kW	3000	3000
2.12.7	Tolerance to be applied to total losses (in %of the guaranteed value) for all the windings	%	10	10
2.12.8   2.12.9	Auxiliaries consumption at second stage of cooling (ONAN/ONAF)   Efficiency at 75deg at:          unity P.F. 100%  loading 75%     loading 50%     loading 0.8  P.F. 1.    100% 2.     75% 3.     50%	kW               %       %       %         %       %       %	-     ≥99.7     ≥99.6	-     99.73%     99.67%
2.13	Highest voltage for equipment: - HV winding - LV winding - tertiary winding	kV kV kV	362 145 36	362 145 36
2.14 2.14.1	Rated insulation level: Short time power frequency withstand: - HV winding - line terminal - LV winding - line terminal  - neutral - tertiary winding - control wiring	kV RMS kV RMS kV RMS kV RMS kV RMS	650 275 38 70 2.0	510 275 38 70 -
2.14.2	Basic impulse level:
	- HV winding - line terminal - LV winding - line terminal - neutral point - tertiary winding	kV (peak) kV (peak) kV (peak) kV (peak)	1050 650 125 145	1050 650 125 145
2.14.3	Basic switching surge level HV winding ( Line-to-Ground/Line-to-Line )	kV (peak)	850/1275	850/-
2.15	Temperature rise limits at maximum power output at ONAN and ONAF ratings and at lowest voltage tap and corresponding voltage:
	-    top oil at ambient temperature -    average copper at ambient temperature -    hot spot windings	K  K K	45 55 68	45 55 68
2.16	Permissible overload in emergency cases: - Maximum continuous overload based on highest winding temperature which exceeds by 5^oC the guaranteed limit	MVA
	- Maximum continuous over voltage based on the specified temperature rise limits (in % of the rated voltage)	%	5	5
2.17	Oil:   - manufacturer - type - data sheet attached	- - -	NYNAS NYTRO 10XN (Inhibited) (IEC 60296) - - -	NYNAS NYTRO 10XN (Inhibited) (IEC 60296)
2.18	Bushings
2.18.1	HV bushings: - class - manufacturer - type designation - rated current - short circuit withstand - basic insulation level - basic switching surge level - power frequency withstand for 1 minute - connectors for - creepage distance	kV - - A kA RMS kV (peak) kV (peak) kV RMS - mm/kV	420 - - 2500 100kA/2s 1425 1175 650 TBA 31	550 XD BRDLW 2500 100kA/2s 1800 1300 790 TBA 31
2.18.2	LV bushings: - class - manufacturer - type designation - rated current - short circuit withstand - basic insulation level - power frequency withstand for 1 minute - connectors for - creepage distance	kV - - A kA RMS kV (peak) kV RMS - mm/kV	145 - - 750 60kA/2s 750 325 TBA 31	170 XD BRDLW 1250 60kA/2s 750 340 TBA 31
2.18.3	Tertiary bushings: - class - manufacturer - type designation - rated current - short circuit withstand - basic insulation level - power frequency withstand for 1 minute - connectors for - creepage distance	kV - - A kA RMS kV (peak) kV RMS - mm/kV	36 - - - - 170 70 TBA 31	40.5 XD BRDLW 1600 200 80 TBA 31
2.18.4	Neutral bushings: - class - manufacturer - type designation - rated current - short circuit withstand - basic insulation level - power frequency withstand for 1 minute - connectors for - creepage distance	kV - - A kA RMS kV (peak) kV RMS mm/kV	170 - - 1250A 50kA/2s 750 325 - 31	170 XD BRDLW 1250 50kA/2s 750 340 - 31
2.19 2.19.1	Design data: Maximum flux density in the columns at: - rated voltage - 105% of the rated voltage	tesla tesla	1.5 1.58	1.7 1.79
2.19.2	Maximum flux density in the yokes at: - rated voltage - 105% of the rated voltage	tesla tesla	1.5 1.58	1.7 1.79
2.19.3	Maximum current density at ONAN rated power and rated voltage tap: - HV winding - LV winding -Tertiary winding	A/mm^2 A/mm^2 A/mm^2	1.4-1.9          2.2-2.9               TP	1.9 2.5
2.19.4	Winding resistance: - HV winding - LV winding -Tertiary winding	ohms ohms ohms	- - -	0.64 0.20 0.10
2.19.5	Voltage regulation at ONAN rating and rated   voltage tap (in % of the rated voltage): - With unity power factor: . LV side . TV side	% %	- -	- -
	- With 0.9 power factor (lagging): . LV side . TV side	% %	- -	- -
	- With 0.8 power factor (lagging): . LV side . TV side	% %	- -	- -
2.19.6	Primary exciting current, LV side: - at 0.01 second - at 0.1 second	kA kA	- -	- -
2.19.7	Core silicon steel grade  (core or shell)	-	CORE:(23M-OH /23ZDKH)	CORE
2.19.8	Winding conductor	-	Copper	Copper
2.20	Audible noise level
	- Voltage in percent of rated value - ONAN rating - ONAF maximum rating	% dB(A) dB(A)	105 ≤83 max ≤86 max	105 ≤83 max() ≤86 max()
2.21	Radio Interference Voltage at 0.5 MHz as per IEC 694	mV	≤2500 max	≤2500 max
3.0	Weights and dimensions
3.1	Total weight of transformer, equipped for service	Kg	-	236000
3.2	Weight: - oil - core and coil assembling - tank and accessories - net copper - net core steel	kg kg kg kg kg	- - - - -	74000 98000 64000 34000 55000
3.3	Maximum shipping weight (heaviest item)	Kg	-	132000()
3.4	Height from foundation to: - highest point of HV bushing - highest point of tank - highest point of conservator tank - highest point of lifting hook to remove   core and coil assembly	mm mm mm mm	- - -	8800 3300 6900 8500
3.5	Outline  dimensions: - length - width	mm mm	- -	14600 7200
3.6	Layout drawing n^o	-	To be enclosed with bid
3.7	Maximum shipping dimensions of tank: - outside height - outside width - outside length	mm mm mm	- - -	10200 3800 3300
3.8	Transportation drawing n^o	-	To be enclosed with bid
4.0	On-load tap changer
4.1	Manufacturer	-	MR REINHAUSEN GERMANY	MR GERMANY
4.2	Type	-	Oil	Oil
4.3	Rated through current	A	-	600
4.4	Number of steps	-	17	17
4.5	Short circuit withstand	kA RMS	8	8
4.6	BIL to ground	kV (peak)	750	750
4.7	Power frequency withstand voltage for 1 minute	kV RMS	325	325
4.8	Tap transition device	-	Jansen
4.9	Parallel automatic controller	-	Master-follower	Master-follower
5.0	Current transformer incorporated into the power transformer
5.1 5.1.1 5.1.2 5.1.3	CT in HV phase bushings:  Number of cores per bushing Primary rated current Secondary rated current	- A A	2 400 1	2 400 1
5.1.4	Accuracy class: -        protection -         metering	- -	To be coordinated (1)5P20, 20 VA (1)CL0.2, 20 VA	(1)5P20, 20 VA (1)CL0.2, 20 VA
5.1.5	Ratio	-	400:1	400/1
5.1.6	Short circuit withstand	A	100kA/2s	-
5.1.7	Continuous secondary current thermal limit	A	-	-
5.2	CT in LV phase bushings:
5.2.1	Number of cores per bushing	-	2	2
5.2.2	Primary rated current	A	800	800
5.2.3	Secondary rated current	A	1	1
5.2.4	Accuracy class: - protection - metering	- - -	To be coordinated (1) 5P20, 20 VA, (1)CL0.2, 20 VA	(1) 5P20, 20 VA, (1)CL0.2, 20 VA
5.2.5	Ratio	-	800/1	800/1
5.2.6	Short-circuit withstand	A	60kA/2s	-
5.2.7	Continuous secondary current (thermal limit)	A	-	-
5.3 5.3.1 5.3.2 5.3.3 5.3.4	CT in LV neutral bushing: Number of cores per bushing Primary rated current Secondary rated current Accuracy class - protection (to be coordinated)	- A A -	2 800 1 (1) 5P20, 20 VA	2 800 1 (1) 5P20, 20 VA
5.3.5	Ratio	-	800:1 / 400:1	400-800/1
5.3.6	Short circuit withstand	A	-	-
5.3.7	Continuous secondary current (thermal limit)	A	-	-
5.4 5.4.1 5.4.2 5.4.3 5.4.4	CT in tertiary phase bushings: Number of cores per bushing Primary rated current Secondary rated current Accuracy class: - protection	- A A   -	2 800 1   (2) 5P20, 20VA	2 800 1   (2) 5P20, 20VA
5.4.5	Ratio	-	800:1	800/1
5.4.6	Short circuit withstand	A	-	-
5.4.7	Continuous secondary current (thermal limit)	A	-	-
6.0	Layout
6.1	Primary winding bushings	-	(3) Long. Axis	Long. Axis
6.2	Secondary winding bushings	-	(3) Long. Axis (opposite to HV)	Long. Axis (opposite to HV)
6.3	Tertiary winding bushings	-	(3) Transv. Wall in junction box	Transv. Wall in junction box
6.4	Conservator tank	-	Transv. Axis
6.5	Tap changer	-	Transv. Axis
6.6	Control cabinet	-	-
6.7	Radiators	-	-
6.8	Terminal block connection drawing	-	As per enclosed drawings
7.0	Standards		Latest revision of IEC 60296	Latest revision of IEC 60296
7.1	Manufacturing	-	IEC 60044 IEC 60076 IEC 60137 IEC 60214 IEC 60529 IEC 60815 IEC 60947 NEMA TR-1	IEC 60044 IEC 60076 IEC 60137 IEC 60214 IEC 60529 IEC 60815 IEC 60947 NEMA TR-1
7.2	Quality assurance	-	ISO------------	ISO------------
8.0	Installation	-	Outdoor in substation yard	Outdoor in substation yard
9.0	Type test report		Copy of type test for similar transformer to be included with the bid	Copy of type test for similar transformer to be included with the bid