Do An & huong dan SD PM Mycodie.L ppt

Earth leakage protection: NoEarth leakage protection device : Installation method: "D-with added mechanical protection; circuits 0.25m apart" Single-core cables direct in the groundCable

TÍNH TOÁN BẰNG PHẦN MỀM MY ECODIAL

I- GIỚI THIỆU VỀ PHẦN MỀM MY ECODIAL :

Nhằm trình bày tính toán thiết kế hoàn chỉnh đối với các phương pháp lắp đặt mạng hạ áp, tuân theo tiêu chuẩn lắp đặt IEC Phương pháp tính toán tuân theo kỹ thuật Điện

 My ECODIAL được sử dụng để thiết kế mạng hạ áp theo các đặc điểm kỹ thuật sau :

- Điện áp từ 220 V đến 690 V.

- Tần số từ 50 Hz đến 60 Hz.

- Hệ thống nối đất bao gồm: TT, TN (TNC – TNS) hoặc IT.

- Hệ thống sử dụng tối đa là 4 nguồn bình thường và 4 nguồn dự phòng.

 Nội dung của phần mềm này gồm :

- Xây dựng sơ đồ một sợi của mạng điện hạ áp.

- Tính toán dòng điện ngắn mạch.

- Tính toán độ sụt áp.

- Lựa chọn kích thước dây dẫn.

- Lựa chọn CB.

- Kiểm tra sự bảo vệ chọn lọc của từng nhánh và thiết bị.

- Diễn tả đường đặc tuyến tác động của từng loại CB theo hệ số chỉnh định.

- In ra các kết quả tính toán ra giấy một cách chi tiết và cụ thể từng vị trí.

- Ecodial là phần mềm được sử dụng cho việc thiết kế, lắp đặt mạng điện phía hạ áp Phần mềm này cung cấp đầy đủ các loại thư viện nguồn, các phần tử được sử dụng trong thiết kế, kết quả đồ thị tính toán, Chỉ cần lựa chọn các thông số thích hợp cho các phần tử mạng điện, khai báo các phương pháp lắp đặt, các điều kiện tính toán phù hợp với dự án trong thực tế là có thể thiết kế một mạch điện hoàn chỉnh.

II- PHẦN TÍNH TOÁN CHI TIẾT BẰNG PHẦN MỀM MY ECODIAL TRÊN MÁY:

Dao diện đầu lúc mở phần mềm ecodial và các thơng số phải chọn.

1/ Khởi động phần mềmMy Ecodial: Vào Start/Programs/My Ecodial L thì xuất

hiện màn hình làm việc

2/ Nhập các thông số chung: Nhập các thông số vào hợp thoại Global

Ccharacteristics (các đặt tính chung)

+ Ph-Ph V (V)(thông tin về điện áp định mức): 380

+ Earthing arrangement (kiểu nối đất): TN-S

+ System frequency (tần số hệ thống): 50

+ Target power factor (hệ số công suất đối tượng): 0,96

+ Max permitted CSA (tiết diện day dẫn tối đa): 630

+ Discrimination requested (yêu cầu bảo vệ phân biệt):Standard

+ N CSA/Ph CSA (tỉ lệ tiết diện 2ut trung tính/tiết diện 2ut pha): 1

+ CSA tolenrance (sai số cho phép khi chọn tiết diện 2ut):5

+ Thermal resistance check (kiểm tra sức chịu nhiệt):no

+ Standard (tiêu 2ut2n áp dụng): IEC 947

3/ Thiết lập sơ đồ đơn tuyến:

- Nhấp chuột trái vào nút ok

- Ta vào thư viện mạch để chọn các phần tử bao gồm: thư viện nguồn, thư viện máy biến áp, thư viện tải, thư viện thanh cái,…

- Nhấp chuột trái vào biểu tượng

để lựa chọn các lọai thư viện Nhấp chuột trái vào phần tử muốn chọn trong thư viện

Di chuyển phần tử muốn chọn vào vị trí mong muốn Tiếp tục chọn các phần tử khác để hòan thành sơ đồ mạch.

- Muốn xoay ngang phần tử nhấp chuột trái vào hộp thọai Horizontal trước khi nhấp chuột phần tử đó Mở rộng thanh cái về hai phía.

+ Nhấp chuột trái vào thanh cái + Nhấp chuột trái vào biểu tượng trên thanh công cu.

+ Một ký hiệu định dạng bằng tay có dạng hình vuông đen xuất hiện vào thanh cái và thực hiện mở rộng thanh cái.

- Để phóng to hay thu nhỏ sơ đồ mạch sử dụng lệnh Zoom hoặc thanh công cụ Zoom thông qua biểu tượng

Tổng hợp số liệu để nhập vào phần mềm :

Phân Đoạn

Độ dài (m) Cơng suất(KW)

CS Tổng KW

Số Lượng

Công suất máy biến áp:

III - TRÌNH TỰ CÁC THAO TÁC NHƯ SAU

1) Máy biến áp (nháy đúp chuột vào máy biến áp nhiều lần)

2) Máy Phát

3) Nguồn

4) Tụ Bù :

5) Thanh Cái

Nhập các thông số của từng phần vào Thanh công cụ Calculation / Power sum nhập các thông số còn thiếu Ksd , Kdt ……sau khi thực hiện xong nhấp nút OK.

Vào Calculation / step by step hoặc nhấn F5.

Trên bảng này ta thực hiện chọn dây cho từng đoạn MBN,MF tới TPPC

&TPPC tới TDL & TDL tới các thiết bị.

Phương thức chọn dây : - Công suất lớn chọn dây đơn.-Công suất nhỏ chọn

đa lõi.Chọn xong nhấp OK.Thực hiện xong thao tác này kiểm tra toàn bộ các

thông số lần cuối sau đó chọn Calculate,ta quan sát tín hiệu trên Lá cờ hiện

Sau đó phần mềm sẽ xuất ra kết quả trên trên sơ đồ nguyên lý My Ecodial

6) Sơ đồ nguyên lý MyEcodial:

7) Xuất kết quả ra bên ngoài My ecodial vào File/Print/Export

- Muốn xuất kết quả dưới dạng Microsoft Office Word vào Export folder

- Muốn xuất sơ đồ ra giấy chọn Export ECD chọn tiếp On-screen diagram

Upstream short-circuit power max: 500 MVA

Upstream short-circuit power min: 500 MVA

Upstream impedances: Resistance Rt: 0.0317 mOhm

Inductance Xt: 0.3168 mOhm

Transformer :

Type: immersed-type

Number of transformers: 1 Earthing arrangement: TN-C

Total power: 1600 kVA Unit power: 1600.0 kVA

Connection: Delta-Star Short-circuit voltage: 6.00 %

Source impedances: Resistance Rt: 1.8507 mOhm

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 3363.3 A

Iz x correction factors (real conditions of use): 2387.9 A

Sizing constraint: overloads

0.71CSA (mm²) theoretical used reference metal

Per phase 10 x 282.1 10 x 300.0 Copper

Neutral PE(N) PE(N) -

-PE 1 x 190.4 1 x 240.0 Copper

Voltage drop upstream circuit downstream

Name: NW25H1-65.0 kA Frame rating (In): 2500 A

Trip unit rating: 2500.00 A Trip unit: Micrologic 5.0 A

Number of poles: 3P3d

Discrimination limit:

BC reinforced by cascading:

Earth leakage protection: No

Earth leakage protection device :

Number of generators: 1 Unit power: 1600 kVA

Total power: 1600 kVA Zero phase-sequence reactance: 6.000 %

Transient reactance: 30.000 % Subtransient reactance: 30.000 %

Earthing arrangement: TN-C

Length: 20.0 m

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 3699.7 A

Iz x correction factors (real conditions of use): 2626.8 A

Sizing constraint: overloads

0.71

CSA (mm²) theoretical used reference metal

Per phase 11 x 259.3 11 x 300.0 Copper

Neutral PE(N) PE(N) -

Name: NW25H1-65.0 kA Frame rating (In): 2500 A

Trip unit rating: 2500.00 A Trip unit: Micrologic 5.0 A

Number of poles: 3P3d

Discrimination limit:

BC reinforced by cascading:

Earth leakage protection: No

Earth leakage protection device :

Designation: STANDARD Dimensions: 0.0 m-4// 5.0 mmx80 mm

Type : Standard on edge Metal: Copper

Ambient temperature: 35 °C I available: 2610 A

Short-circuit temperature: 85 °C Isc max: 37.27 kA

Ks : 0.90 Peak Isc (kÂ) : 78.26 kA

Name: NSX100N-50.0 kA Frame rating (In): 100 A

Trip unit rating: 100.00 A Trip unit: TM-D

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.25m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 103.2 A

Iz x correction factors (real conditions of use): 91.8 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 33.8 1 x 35.0 Copper

Neutral PE(N) PE(N) -

-PE 1 x 35.0 1 x 35.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 1.4704 1.71

Thermal stress check:

Energy received by the phase conductor : 566046 A²s

Permitted thermal stress : 16200625 A²s

All assumptions and device choices are the user's responsibility.

Load I: 84.50 A Polarity of circuit: 3P+N

Name: NSX100B-25.0 kA Frame rating (In): 100 A

Trip unit rating: 100.00 A Trip unit: Micrologic 2.2 M

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 85.7 A

Iz x correction factors (real conditions of use): 76.3 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 21.4 1 x 25.0 Copper

-PE 1 x 9.2 1 x 25.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.71 0.2044 1.91

Voltage drop on motor start-up: 7.64

Thermal stress check:

Energy received by the phase conductor : 211245 A²s

Permitted thermal stress : 8265625 A²s

Z (mΩ) 45.0023 53.8289 107.6580 138.8783 125.2809

Calculation results in accordance with guide UTE C15-500 (CENELEC report R064-003).

UTE approval 15L-602.

All assumptions and device choices are the user's responsibility.

Load I: 62.60 A Polarity of circuit: 3P

Name: NSX100B-25.0 kA Frame rating (In): 100 A

Trip unit rating: 100.00 A Trip unit: Micrologic 2.2 M

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 85.7 A

Iz x correction factors (real conditions of use): 76.3 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 21.4 1 x 25.0 Copper

-PE 1 x 8.5 1 x 25.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.71 0.2896 2.00

Voltage drop on motor start-up: 8.13

Thermal stress check:

Energy received by the phase conductor : 211245 A²s

Permitted thermal stress : 8265625 A²s

All assumptions and device choices are the user's responsibility.

Load I: 62.60 A Polarity of circuit: 3P

Name: GV2ME-15.0 kA Frame rating (In): 32 A

Trip unit rating: 23.00 A Trip unit: ME21

Number of poles: 3P3d

Discrimination limit: 0.8 kA

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 24.2 A

Iz x correction factors (real conditions of use): 21.5 A

Sizing constraint: overloads

Correction : Temperature : 0.89 (52-D2)

x Soil thermal resistivity : 1.00 (A.52-16)

x Neutral loaded : 1.00 (D.52-1)

x touching conductors : 1.00 (52-E2)

x User : 1.00/ Protection ) : 1.00 (§433.1)

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 2.0 1 x 2.5 Copper

-PE 1 x 2.3 1 x 2.5 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.71 1.5740 3.28

Voltage drop on motor start-up: 9.14

Thermal stress check:

Energy received by the phase conductor : 30666 A²s

Permitted thermal stress : 82656 A²s

All assumptions and device choices are the user's responsibility.

Load I: 18.95 A Polarity of circuit: 3P

Name: GV2ME-15.0 kA Frame rating (In): 32 A

Trip unit rating: 14.00 A Trip unit: ME16

Number of poles: 3P3d

Discrimination limit: 0.8 kA

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Length: 12.0 m

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 18.2 A

Iz x correction factors (real conditions of use): 16.2 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 1.0 1 x 1.5 Copper

-PE 1 x 1.5 1 x 1.5 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.71 0.8176 2.53

Voltage drop on motor start-up: 5.80

Thermal stress check:

Energy received by the phase conductor : 16835 A²s

Permitted thermal stress : 29756 A²s

All assumptions and device choices are the user's responsibility.

Load I: 12.12 A Polarity of circuit: 3P

Name: GV2ME-15.0 kA Frame rating (In): 32 A

Trip unit rating: 14.00 A Trip unit: ME16

Number of poles: 3P3d

Discrimination limit: 0.8 kA

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

-Sensitivity :

-Earth leakage discrimination :

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 18.2 A

Iz x correction factors (real conditions of use): 16.2 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 1.0 1 x 1.5 Copper

-PE 1 x 1.5 1 x 1.5 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.71 1.1583 2.87

Voltage drop on motor start-up: 7.13

Thermal stress check:

Energy received by the phase conductor : 16835 A²s

Permitted thermal stress : 29756 A²s

All assumptions and device choices are the user's responsibility.

Load I: 12.12 A Polarity of circuit: 3P

Upstream : BTS TDL1

Downstream :

Voltage : 380 V

Circuit breaker: Q86

Name: GV2ME-15.0 kA Frame rating (In): 32 A

Trip unit rating: 14.00 A Trip unit: ME16

Number of poles: 3P3d

Discrimination limit: 0.8 kA

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 18.2 A

Iz x correction factors (real conditions of use): 16.2 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 1.0 1 x 1.5 Copper

-PE 1 x 1.5 1 x 1.5 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.71 1.6352 3.35

Voltage drop on motor start-up: 9.01

Thermal stress check:

Energy received by the phase conductor : 16835 A²s

Permitted thermal stress : 29756 A²s

Calculation results in accordance with guide UTE C15-500 (CENELEC report R064-003).

UTE approval 15L-602.

All assumptions and device choices are the user's responsibility.

Load I: 12.12 A Polarity of circuit: 3P

Name: NSX250N-50.0 kA Frame rating (In): 250 A

Trip unit rating: 250.00 A Trip unit: TM-D

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.25m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 257.8 A

Iz x correction factors (real conditions of use): 229.4 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 178.5 1 x 185.0 Copper

Neutral PE(N) PE(N) -

-PE 1 x 185.0 1 x 185.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 0.3942 0.63

Thermal stress check:

Energy received by the phase conductor : 175000000 A²s

Permitted thermal stress : 452625625 A²s

All assumptions and device choices are the user's responsibility.

Load I: 200.10 A Polarity of circuit: 3P+N

Name: GV2ME-15.0 kA Frame rating (In): 32 A

Trip unit rating: 25.00 A Trip unit: ME22

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: 40.0 kA

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.125m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 31.3 A

Iz x correction factors (real conditions of use): 27.9 A

Sizing constraint: overloads

Correction : Temperature : 0.89 (52-D2)

x Soil thermal resistivity : 1.00 (A.52-16)

x Neutral loaded : 1.00 (D.52-1)

x touching conductors : 1.00 (52-E2)

x User : 1.00/ Protection ) : 1.00 (§433.1)

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 3.1 1 x 4.0 Copper

-PE 1 x 4.0 1 x 4.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.64 0.7118 1.35

Voltage drop on motor start-up: 3.63

Thermal stress check:

Energy received by the phase conductor : 189000 A²s

Permitted thermal stress : 211600 A²s

All assumptions and device choices are the user's responsibility.

Load I: 23.16 A Polarity of circuit: 3P

Name: NSX400N-50.0 kA Frame rating (In): 400 A

Trip unit rating: 400.00 A Trip unit: Micrologic 2.3

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 297.5 A

Iz x correction factors (real conditions of use): 264.8 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 219.4 1 x 240.0 Copper

Neutral PE(N) PE(N) -

-PE 1 x 240.0 1 x 240.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 0.1647 0.40

Thermal stress check:

Energy received by the phase conductor : 120000000 A²s

Permitted thermal stress : 761760000 A²s

All assumptions and device choices are the user's responsibility.

Load I: 250.13 A Polarity of circuit: 3P+N

Name: GV2ME+GV1L3-100.0 kA Frame rating (In): 32 A

Trip unit rating: 25.00 A Trip unit: ME22

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.25m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 31.3 A

Iz x correction factors (real conditions of use): 27.9 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 3.1 1 x 4.0 Copper

-PE 1 x 4.0 1 x 4.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.41 0.6102 1.02

Voltage drop on motor start-up: 2.85

Thermal stress check:

Energy received by the phase conductor : 189000 A²s

Permitted thermal stress : 211600 A²s

All assumptions and device choices are the user's responsibility.

Load I: 23.16 A Polarity of circuit: 3P

Name: NSX400N-50.0 kA Frame rating (In): 400 A

Trip unit rating: 400.00 A Trip unit: Micrologic 2.3

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 515.6 A

Iz x correction factors (real conditions of use): 412.5 A

Sizing constraint: overloads

0.80CSA (mm²) theoretical used reference metal

Per phase 2 x 159.0 2 x 185.0 Copper

Neutral PE(N) PE(N) -

-PE 2 x 185.0 2 x 185.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 0.1452 0.39

Thermal stress check:

Energy received by the phase conductor : 120000000 A²s

Permitted thermal stress : 452625625 A²s

All assumptions and device choices are the user's responsibility.

Load I: 379.73 A Polarity of circuit: 3P+N

P: 167.47 kW Earthing arrangement: TN-C

Power factor 0.67 Phase distribution:

-Ku: 1.0Number of identical circuits: 1

Name: NSX100B-25.0 kA Frame rating (In): 100 A

Trip unit rating: 50.00 A Trip unit: Micrologic 2.2 M

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: 36.0 kA

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.25m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 51.8 A

Iz x correction factors (real conditions of use): 46.1 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 4.6 1 x 10.0 Copper

-PE 1 x 6.0 1 x 10.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.39 0.2791 0.67

Voltage drop on motor start-up: 1.85

Thermal stress check:

Energy received by the phase conductor : 533333 A²s

Permitted thermal stress : 1322500 A²s

Calculation results:

Isc upstr Ik3max Ik2max Ik1max Ik2min Ik1min I fault

All assumptions and device choices are the user's responsibility.

Load I: 26.37 A Polarity of circuit: 3P

Name: NSX250N-50.0 kA Frame rating (In): 250 A

Trip unit rating: 250.00 A Trip unit: TM-D

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 257.8 A

Iz x correction factors (real conditions of use): 229.4 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 178.5 1 x 185.0 Copper

Neutral PE(N) PE(N) -

-PE 1 x 185.0 1 x 185.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 0.8789 1.12

Thermal stress check:

Energy received by the phase conductor : 175000000 A²s

Permitted thermal stress : 452625625 A²s

All assumptions and device choices are the user's responsibility.

Load I: 222.87 A Polarity of circuit: 3P+N

Name: NSX100B-25.0 kA Frame rating (In): 100 A

Trip unit rating: 25.00 A Trip unit: Micrologic 2.2 M

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.25m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 51.8 A

Iz x correction factors (real conditions of use): 46.1 A

Sizing constraint: Ik2min (Ph-Ph min Isc)

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 2.8 1 x 10.0 Copper

-PE 1 x 4.0 1 x 10.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 1.12 0.3891 1.51

Voltage drop on motor start-up: 3.15

Thermal stress check:

Energy received by the phase conductor : 625000 A²s

Permitted thermal stress : 1322500 A²s

All assumptions and device choices are the user's responsibility.

Load I: 22.11 A Polarity of circuit: 3P

Name: NSX400N-50.0 kA Frame rating (In): 400 A

Trip unit rating: 400.00 A Trip unit: Micrologic 2.3

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 515.6 A

Iz x correction factors (real conditions of use): 412.5 A

Sizing constraint: overloads

0.80CSA (mm²) theoretical used reference metal

Per phase 2 x 159.0 2 x 185.0 Copper

Neutral PE(N) PE(N) -

-PE 2 x 185.0 2 x 185.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 0.5567 0.80

Thermal stress check:

Energy received by the phase conductor : 120000000 A²s

Permitted thermal stress : 452625625 A²s

All assumptions and device choices are the user's responsibility.

Load I: 379.73 A Polarity of circuit: 3P+N

P: 167.47 kW Earthing arrangement: TN-C

Power factor 0.67 Phase distribution:

Number of identical circuits: 1

Circuit : MKim1 ( Q100-C100-M100) - Calculated

Upstream : BTS TDL6

Downstream :

Voltage : 380 V

Circuit breaker: Q100

Name: NSX100B-25.0 kA Frame rating (In): 100 A

Trip unit rating: 50.00 A Trip unit: Micrologic 2.2 M

Number of poles: 3P3d

Discrimination limit:

B C reinforced by cascading: 36.0 kA

Earth leakage protection: No

Earth leakage protection device :

-Sensitivity :

-Earth leakage discrimination :

Installation method: "D-with added mechanical protection; circuits 0.25m apart"

Multi-core cables direct in the groundCable type: Multi-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Touching, flat

Ambient temperature: 30 °C THDI level:

-Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 51.8 A

Iz x correction factors (real conditions of use): 46.1 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 4.6 1 x 10.0 Copper

-PE 1 x 6.0 1 x 10.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.80 0.3721 1.17

Voltage drop on motor start-up: 2.88

Thermal stress check:

Energy received by the phase conductor : 533333 A²s

Permitted thermal stress : 1322500 A²s

All assumptions and device choices are the user's responsibility.

Load I: 26.37 A Polarity of circuit: 3P

Downstream : BTS TDL7

Voltage : 380 V

Circuit breaker: Q73

Name: NSX400N-50.0 kA Frame rating (In): 400 A

Trip unit rating: 400.00 A Trip unit: Micrologic 2.3

Number of poles: 3P3d

Discrimination limit: T

BC reinforced by cascading: No

Earth leakage protection: No

Earth leakage protection device :

Installation method: "D-with added mechanical protection; circuits 0.5m apart"

Single-core cables direct in the groundCable type: Single-core Number of layers: 1

Insulation: PVC Nb additional touching circuits: 0

Arrangement of conductors: Trefoil

Ambient temperature: 30 °C THDI level: 0 %

Permitted current by the cable (Iz):

Iz under normal conditions of use (A): 297.5 A

Iz x correction factors (real conditions of use): 264.8 A

Sizing constraint: overloads

0.89CSA (mm²) theoretical used reference metal

Per phase 1 x 219.4 1 x 240.0 Copper

Neutral PE(N) PE(N) -

-PE 1 x 240.0 1 x 240.0 Copper

Voltage drop upstream circuit downstream

∆U (%) 0.24 0.6315 0.87

Thermal stress check:

Energy received by the phase conductor : 120000000 A²s

Permitted thermal stress : 761760000 A²s