H59 Distribution Transformer

Brand Name: DONGFU Electric
Voltage: 5.5 KV to 33KV
Capacity: 50-100-160-250-315-400-500-630 KVA
H59 Distribution Transformer oil type distribution transformer is manufactured by DONGFU Electric. DONGFU Electric is a professional Manufacturers & Suppliers of oil immersed distribution transformer in China. DONGFU Electric’s oil immersed transformers sell well all over the world, including Ethiopia, Malaysia, Thailand, Kenya, Mozambique, Congo, Rwanda, Pakistan, South Africa and so on.

H59 series distribution transformers are installed in MV / LV substations. These H59 oil immersed transformers have a place in different fields: urban and rural power distribution, tertiary industry, utilities, industry, renewable energy, etc.

Features of H59 Distribution Transformer

Basic equipment:

•3 HTA insertion sleeves

24KV / 250A fixed part type on -24KV series

36KV / 400A type fixed parts on -36KV series

•4 LV porcelain sleeves

•3 position power switch

•Fill holes

•2 lifting rings

•2 ground positions

•Nameplate, warranty

•1 dial thermometer

•1 oil level indicator

•4 orientable rollers.

Optional equipment:

•3 plug-in bushings, straight or angled moving parts, corresponding to fixed parts. in

In this case, the characteristics (nature, cross-section, insulation diameter) of the cable must be specified

•3 porcelain MV crossing

•4 LV bushing type Bar Pass

•1 locking system for plug-in bushings and switches, no locking provided

•1 sealable protective cover on LV bushing (only in case of plug-in MV cross)

•Protection and control equipment: thermostat, multi-function protective relay (DGPT2 or DMCR).

The color of the tank:

•Cement gray RAL 7033.

General characteristics:

Standards and specifications:

•IEC 60076

Power range:

•50-100-160-250-315-400-500-630 KVA

•Additional power between 25 and 630 KVA on request.

Explanation:

•Fully-filled sealed three-phase distribution transformer immersed in ONAN natural cooling mineral oil

•Special corrosion protection of storage tanks.

Types:

•Indoor or outdoor

•Oil / gas immersion

•Breathable type, preservatives can be added as required.

Frequency:

•50 Hz

•60 Hz: Contact us.

Operating Voltage:

MV: from 5.5 KV to 33KV

•Single voltage: 5.5-6-6.6-10-15-20-22-30 and 33 KV (insulation: 24-36 KV)

•Dual voltage: (switchable) 5.5 / 20 KV and 5.5 / 22KV ...

•Other demand tensions.

LV: 400 V between phases No-load-231 V between phase and neutral.

•Other demand tensions.

Shutdown settings:

•Standard range: ± 5% on MV, through adjustable switch without voltage

•Other setting ranges are available on request.

Technical Data Sheet

Highest network voltage <24kV / secondary no-load voltage 400V

capacity	Voltage Combination			Vector group	no-load losses(W)	load loss(W)	No-load current (%)	Impedance voltage
capacity	HV	Tapping range of HV	LV	Vector group	no-load losses(W)	load loss(W)	No-load current (%)	Impedance voltage
50	24KV	±2×2.5%	0.38 kV, 0.4 kV, 0.415 Kv	Yyn0, Dyn5, Dyn11	145	1350	4	50
100					210	2150	4	49
160					555	2350	4	62
250					650	3250	4	65
315					770	4200	4	66
400					930	4600	4	68
500					1100	6200	4	69
630					1300	6500	4	70

Highest network voltage <36kV / secondary no-load voltage 400V

capacity	Voltage Combination			Vector group	no-load losses(W)	load loss(W)	No-load current (%)	Impedance voltage
capacity	HV	Tapping range of HV	LV	Vector group	no-load losses(W)	load loss(W)	No-load current (%)	Impedance voltage
50	36kv	±2×2.5%	0.38 kV, 0.4 kV, 0.415 Kv	Yyn0, Dyn5, Dyn11	230	1450	4.5	50
100					380	2350	4.5	49
160					520	3350	4.5	62
200					750	3800	4.5	64
250					780	4250	4.5	65
315					1035	5700	4.5	66
400					1120	6200	4.5	68
500					1280	7000	4.5	69
630					1450	8800	4.5	70