Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:

Соленый / Лабораторная 6

.rtf
Скачиваний:
10
Добавлен:
03.03.2016
Размер:
14.8 Mб
Скачать

МИНИСТЕРСТВО ОБРАЗОВАНИЯ И НАУКИ УКРАИНЫ

ДОНЕЦКИЙ НАЦИОНАЛЬНЫЙ ТЕХНИЧЕСКИЙ УНИИВЕРСИТЕТ

Кафедра ЭПГ

ЛАБОРАТОРНАЯ РАБОТА №6

Работа в программе MyEcodial 338

Выполнила

ст. гр. ЭСЭ -13с

Щербаков В.А

Проверил:

Соленый С.В

Донецк 2013

Цель: Научиться работать в программе для автоматического расчета и выбора оборудования низковольтных электрических сетей MyEcodial 338

Задание: построить заданную схему и рассчитать ее параметры.

Решение

Получили следующую схему:

Рисунок 6.1 - Низковольтная схема электрических сетей

Результаты расчетов приведены таблицами:

BUSBAR TRUNKING SYSTEM

D6

Application

Lighting lines

Calculation method : Load

Isc max for chosen break. cap.

Head end

Designation

KBA25

Ib (A)

0.2

Length (m)

5.0

Required IP

IP55

Spacing

less than or equal to 3m

User-defined K

1.00

Line max Delta U (%)

4.00

Earthing arrangement

TN-S

THDI (%)

Installation

Standard

Ambient temp. (°C)

35

Downstream circuit polarity

3P+N

LOAD

L4

No. of identical circuits

1

Ib (A)

16.98

Downstream circuit polarity

3P+N

Earthing arrangement

TN-S

Power (kW)

10.00

Power factor

0.85

Circuit

Dedicated

Load type

Miscellaneous

Environment

Environments that do not require earth-leakage protection

CIRCUIT BREAKER

Q1

Q3

Q4

Q5

Range

Masterpact

Easypact

Compact

Compact

Designation

NT10H1

EZC250N

NSX100B

NSX100B

Trip unit/Curve

Micrologic 5.0 A

TM Fixed

TM-D

TM-D

No. of protected poles

4P4d

3P3d

4P4d

4P4d

Earth-leakage prot.

No

No

No

Yes

Thermal setting I (A)

900.0

125.0

17.5

17.5

Magnetic setting I (A)

9000

1250

300

300

Frame rating (A)

1000

250

100

100

Trip unit rating (A)

1000.00

125.00

25.00

25.00

Im(Isd) setting

10.0

Ir setting

0.90

0.70

0.70

Io setting

Cascading requested

Yes

Yes

Yes

Yes

Discrimination requested

Yes

Yes

Yes

Yes

CIRCUIT BREAKER

Q6

Range

Multi9

Designation

C60L

Trip unit/Curve

C

No. of protected poles

3P3d

Earth-leakage prot.

No

Thermal setting I (A)

0.5

Magnetic setting I (A)

4

Frame rating (A)

63

Trip unit rating (A)

0.50

Im(Isd) setting

Ir setting

Io setting

Cascading requested

Yes

Discrimination requested

Yes

CABLE

C1

C3

C4

C5

Length (m)

5.0

5.0

5.0

5.0

Installation method

F

F

F

F

Insulation

PVC

PVC

PVC

PVC

THDI (%)

Conductor type

Single-core

Single-core

Single-core

Single-core

Conductor arrangement:

Touching, flat

Trefoil

Touching, flat

Trefoil

PE type

Separate PE

Separate PE

Separate PE

Separate PE

Short-circuit power factor

Distributed neutral

No. of addit. touching circuits

Number of trays

1

1

1

1

User-defined K

1.00

1.00

1.00

1.00

Ambient temperature (°C)

30

30

30

30

No. of Ph conductors

2

1

1

1

Ph conductor S (mmІ)

240.0

35.0

6.0

6.0

No. of N conductors

2

-

1

1

Ph conductor metal

Copper

Copper

Copper

Copper

N conductor S (mmІ)

240.0

-

6.0

6.0

No. of PE conductors

1

1

1

1

Neutral conductor metal

Copper

Copper

Copper

Copper

PE conductor S (mmІ)

150.0

16.0

6.0

6.0

PE conductor metal

Copper

Copper

Copper

Copper

CABLE

C6

C7

Length (m)

5.0

5.0

Installation method

F

F

Insulation

PVC

PVC

THDI (%)

Conductor type

Single-core

Single-core

Conductor arrangement:

Trefoil

Touching, flat

PE type

Separate PE

Separate PE

Short-circuit power factor

Distributed neutral

No. of addit. touching circuits

Number of trays

1

1

User-defined K

1.00

1.00

Ambient temperature (°C)

30

30

No. of Ph conductors

1

1

Ph conductor S (mmІ)

1.5

1.5

No. of N conductors

1

-

Ph conductor metal

Copper

Copper

N conductor S (mmІ)

1.5

-

No. of PE conductors

1

1

Neutral conductor metal

Copper

Copper

PE conductor S (mmІ)

2.5

2.5

PE conductor metal

Copper

Copper

TRANSFORMER

T1

Power (kVA)

630

Earthing arrangement

TN-S

Distributed neutral

Yes

Ph-Ph V (V)

400

Short-circuit voltage (%)

4.00

Copper losses (W)

1240

HV Psc max. (MVA)

500

Connection

Delta-Star

System frequency (Hz)

50

MOTOR

M7

Start-up type

Direct on-line

Motor power output (kW)

2.20

Motor efficiency

0.79

Ib (A)

4.91

Power factor

0.80

Downstream circuit polarity

3P

Earthing arrangement

TN-S

Power (kW)

2.72

Coordination type

Total

tripping class

10

Istart/In

6.00

PROTECTION/CONTROL

Q7

Range

TeSys Integral

Designation

Integral 18

Trip unit/Curve

I

Contactor designation

Thermal relay

Thermal protection

Included

Soft starter

Soft starter fuse

Earth-leakage prot.

No

No. of protected poles

3P3d

Thermal setting I (A)

5.0

Magnetic setting I (A)

75

Trip unit rating (A)

6.00

Frame rating (A)

18

Im(Isd) setting

Ir setting

0.83

Io setting

Cascading requested

Yes

Discrimination requested

Yes

Соседние файлы в папке Соленый