35kV OLTC Power Transformer

Rockwill 35kV OLTC power transformer which is equiped with OLTC for regulatoring the voltage in an accurate range. It is a main part for used in power transmission and distribution system like substation. It completely complies with IEC 60076 standard for meeting different countries' needs.

Description Technical data

Description

35kV Three-phase OLTC Power Transformer

Rockwill OLTC power transformer which is equiped with OLTC for regulatoring the voltage in an accurate range. The on load tap changer is also designed and manufactured by Rockwill. The power transformer is a main part for used in power transmission and distribution system like substation. It completely complies with IEC 60076 standard for meeting different countries' needs.

Features of 35kV OLTC Power Transformer:

1. Iron core is made of high quality cold-rolled silicon steel sheet.

2. High quality insulated copper wire for windings.

3. Sealed structure, maintenance-free, more than 30 years service life.

4. Great transformer oil (25# 40#).

5. On load tap changer with independent property rights.

Parameters 35kV OLTC Power Transformer:

Place of Origin: Wenzhou, China

Brand Name: Rockwill

Usage: Power

Phase: Three

Coil Structure: Toroidal

Coil Number: two windings

Product name: OLTC power transformer

Rated capacity: 10 MVA

Rated voltage: 35 kV

Output Voltage: 6.3/6.6/10/10.5/11 kV

Frequency: 50/60Hz

Material: Copper

Certification: ISO9001

Standard: IEC60076

Connection type: YNd11

Cooling type: ONAF

Technical data

Rated Power (kVA) High Voltage (kV) H.V.Tap range Low Voltage (kV) Connection symbol Short Circuit Impendence (%) No-load loss(W) On-load loss(W) No load current (%) S9 S10 S11 S9 S10 S11 800 35 38.5 ±3x2.5% 6.3 6.6 10 10.5 11 Yd11 YNd11 6.5 1320 1190 1060 10500 9980 9980 1.05 1000 1570 1410 1260 12800 12160 12160 1 1250 1860 1670 1490 15400 14630 14630 0.9 1600 2250 2030 1800 18500 17580 17580 0.85 2000 2880 2590 2300 20250 19240 19240 0.8 2500 3400 3060 2720 21730 20640 20640 0.8 3150 7 4040 3640 3230 26010 24710 24710 0.72 4000 4840 4360 3870 30690 29160 29160 0.72 5000 5800 5220 4640 36000 34200 34200 0.68 6300 7.5 7040 6340 5630 38700 36770 36770 0.68 8000 9840 8860 7870 42750 40610 40610 0.6 10000 11600 10440 9280 50580 48050 48050 0.6 12500 8 13680 12310 10940 59850 56860 56860 0.56 16000 16460 14810 13170 74020 70320 70320 0.54 20000 19460 17510 15570 87140 82780 82780 0.54 25000 23700 21330 18960 107000 101650 101650 0.5 31500 27500 24750 22000 126000 119700 119700 0.45

Description Technical data

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Power Transformer

35kV OLTC Power Transformer

Description

Technical data

+86 19525777750

allen@rockwill.cn

Rated Power (kVA)	High Voltage (kV)	H.V.Tap range	Low Voltage (kV)	Connection symbol	Short Circuit Impendence (%)	No-load loss(W)			On-load loss(W)			No load current (%)
Rated Power (kVA)	High Voltage (kV)	H.V.Tap range	Low Voltage (kV)	Connection symbol	Short Circuit Impendence (%)	S9	S10	S11	S9	S10	S11	No load current (%)
800	35 38.5	±3x2.5%	6.3 6.6 10 10.5 11	Yd11 YNd11	6.5	1320	1190	1060	10500	9980	9980	1.05
1000						1570	1410	1260	12800	12160	12160	1
1250						1860	1670	1490	15400	14630	14630	0.9
1600						2250	2030	1800	18500	17580	17580	0.85
2000						2880	2590	2300	20250	19240	19240	0.8
2500						3400	3060	2720	21730	20640	20640	0.8
3150					7	4040	3640	3230	26010	24710	24710	0.72
4000						4840	4360	3870	30690	29160	29160	0.72
5000						5800	5220	4640	36000	34200	34200	0.68
6300					7.5	7040	6340	5630	38700	36770	36770	0.68
8000						9840	8860	7870	42750	40610	40610	0.6
10000						11600	10440	9280	50580	48050	48050	0.6
12500					8	13680	12310	10940	59850	56860	56860	0.56
16000						16460	14810	13170	74020	70320	70320	0.54
20000						19460	17510	15570	87140	82780	82780	0.54
25000						23700	21330	18960	107000	101650	101650	0.5
31500						27500	24750	22000	126000	119700	119700	0.45