China Package Substation 11kv 0.415kv 500kVA

THREE PHASE TRANSFORMER PEDESTAL TYPE 500 KVA, 10.5/0.23 KV

FOR WORKING IN ALTITUDE OF 3500 M.O.S.L.

Ítem

Descriptión

Unit

Required

Guaranteed

1

GENERAL DATA

1.1

Manufacturer

To indicate

HEMG

1.2

Country

To indicate

P.R.China

1.3

Brand

To indicate

HEMG

1.4

Power

KVA

500

500

1.5

Number of coils

2

2

1.6

Number of phases

3

3

1.7

Altitude of operation

3500

3500

1.8

Mounting

Outdoor

Outdoor

2

NOMINAL DATA AND CHARACTERISTICS

2.1

NominalFrequency

Hz

60

60

2.2

Nominal Voltage High voltaje side without load

KV

10.5+/-2x2.5%

10.5+/-2x2.5%

2.3

Nominal Voltage low voltage side without load

kV

0.230

0.230

2.4

Insulation level high voltage

Insulation Class

KV

12

12

Impulse Withstand Voltage 1.2/50 of external insulation

kVp

125

125

Impulse Withstand Voltage 1.2/50 of internal insulation

kVp

75

75

Withstand voltage industrial frequency

KV

28

28

Number of terminals in the primary side

6

6

Material of the coils

Copper

Copper

Bridge capacity for work in mesh or ring.

Amps

200

200

2.5

Insulation level low voltage side

Insulation Class

KV

1.1

1.1

Withstand voltage industrial frequency

KV

3.0

3.0

Material of the coils

Copper

Copper

Number of terminals in the secondary side

u

3

3

2.6

ConnectionGroup

Dyn5

Dyn5

2.7

Type of working

Meshor ring

Meshor ring

2.8

Shortcircuit voltage at 75 C

%

4

4

2.9

Losses

VA

30

30

Losses in the iron (% Nominal Power )

1179 w

1179 w

Losses in the copper with full load (% Nominal Power )

6540 w

6540 w

2.10

On temperature rise ( Limit Max Power onAN )

On temperature rise in the hot point of the coils

C

65

65

On temperature rise of the oil in the top side of the tank

C

60

60

2.11

Type of Oil

Mineral, free of PCBs

Mineral, free of PCBs

2.12

Standard for design, manufacture and test reports

Indicate

IEC60076

2.13

Standard for capacity of overload

Indicate

IEC60076

2.14

Standard for insulation oils

Indicate

IEC60296

2.15

Standard for the bushing plug type

Indicate

IEC60076

2.16

Standards for guaranteed losses

Indicate

IEC60076

3.0

Equipments

3.1

Cabin of Medium Voltage

Yes

Yes

Load Break switch submergible in oil, arranged such as to allow the primary network continue without interruption even when the transformer is out of service.

Yes

Yes

Hold fuse Bay -O-Net type

Yes

Yes

Fuses system Bay -O-Net current sensing

Yes

Yes

Current limiting fuses

Yes

Yes

Resyn insulators for system of connector plug-in

Yes

Yes

Lock of the door

Yes

Yes

Support of parking

Yes

Yes

Plugs connector for Medium Voltage cubit type

Yes

Yes

Kit of grounding of plugs connectors

Yes

Yes

3.2

Cabin of low voltage

Yes

Yes

Porcelain Insulators

Yes

Yes

General Circuit Breaker for low voltage

Yes

Yes

Auxiliar Circuit Breaker for low voltage

Yes

Yes

interlocking for the door

Yes

Yes

Lock of the door

3.3

Transformation Module

Yes

Yes

Indicator of oil level

Yes

Yes

Yes

Yes

Drain tap

Yes

Yes

Lifting ears

Yes

Yes

Nameplate

Yes

Yes

Vacuum tap changer

Yes

Yes

Terminal for grounding

Yes

Yes

Viwefinder of oil level

Yes

Yes

Well for measure temperatures

Yes

Yes

3.4

Telescopic pole operation of 6 bodies, 33 KV

yes

yes