Rockwill Electric Group
H59 Distribution transformer
Description H59 series distribution transformers are installed in MV / LV substations ...

Detailed description

  • Description
  • Technical data

Description

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

 

Features

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 of:

•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.

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
HV Tapping range of HV LV
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
HV Tapping range of HV LV
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

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