DNF7

Medium Voltage Distribution
DNF7
Air Insulated Switchgear 36 - 40.5 kV
PARS TABLEAU
[ Air Insulated Switchgear ] DNF7
DNF 7
Air Insulated Switchgear
36-40.5 kV
CUSTOMER BENEFITS
• Total safety for operators including
full internal arc tested
• Our AIS solution can be replaced by
GIS in high ratings.
• Immune to environmental influences
• Ideal to convey high current load
Wherever 36 or 40.5 kV power must be distributed and used
with maximum availability and reliability, Pars Tableau has the
time-proven equipment that best meets your needs.
If you are looking for a convenient product with proven
technology based on decades of experience designing and
manufacturing substation switchgear, we have the answer
in our DNF7 new generation for 40 kV substations. This
innovative indoor air-insulated switchgear, with ratings up
to 40 KA, is the first in its class catering to the needs of all
process industries, distribution networks and any other
application in electrical networks.
The Fully Metal Clad Switchgear Robust For All Applications
Based on its four distinct compartment design (circuit breaker,
cables, busbar and low voltage equipment) and the use of
earthed automatic shutters, DNF7 is highly reliable switchgear.
The cubicle is of the true metal clad category. It meets the
highest level of service continuity (LSC2B). Both busbar and
cable compartments service continuity are ensured when
normal maintenance is carried out in the circuit breaker
compartment. As safety is a key point in this design, a provision
for comprehensive shutter padlocking ensures total operator
safety during maintenance work.
DNF7 is equipped with either SF6 , or vacuum circuit breaker.
Quality
Quality Standards
DNF7 has been designed and fully tested according to the
latest IEC standards (IEC 62271-200/-100 and IEC 62271-1).
All type tests have been performed in international recognized
independent laboratories.
DNF7 is manufactured in our ISO 9001-2000 and HSE certified
factories.
2
PARS TABLEAU
[ Air Insulated Switchgear ] DNF7
References List
Oil ,Gas and Petrochemical
Project Name
End User
Client
MIS Masjed Soleyman
Petroleum Engineering and Development
Company (PEDEC)
Tabdil energy paya.CO
Azadegan oil field
Petroleum Engineering and Development
Company (PEDEC)
Pars CO.
Fajr Petrochemical 132/33 kV
Fajr Petrochemical
SSCO CO.
Shiraz Ammonia and Urea
Petrochemical Industries Design Equipment and
parts Manufacturing Company, (PIDEMCO)
Hirbodan CO.
South Pars Gas Field Development Phase 13
Pars Oil and Gas Company (POGC)
Parsian CO.
West Karon Light &Heavy Crude Oil Pump Station
&Power Transmission Lime Oil Transportation
Petroleum Engineering and Development
Company (PEDEC)
Rampco Group
Omidiyeh 132/33KV Power Line 132kv Existing
Upper Substation
Petroleum Engineering and Development
Company (PEDEC)
Substation Company
South Pars Gas Field Development Phases 9 & 10
Pars Oil and Gas Company (POGC)
Oil Industries Engineering and
Construction Company (OIEC)
Project Name
Client
Consolation
Sabzevar steel complex
MMTE
Tara tarh Co.
Andimeshk
Khuzestan R.E.C
Moshanir Co.
Natanz steel complex
Faraniroo Co.
Ariya Co.
Abarkooh sarmad steel complex
Faraniroo Co.
Ghodsniroo Co.
Imam khomeini airport
Imam khomeini airport
Tabiran Co.
Sirjan steel complex
MMTE
Kani mes Co.
Bardsir steel complex
Iranian sirjan complex
Moniran Co.
Khuzestan complex
Khuzestan complex
Darya pala Co.
Industry
Utility / Power Generation
Project Name
End User
Client
IRAQ Electricity
United Nation
Alstom of Turkey
Turkmenistan electricity network renovation
Turkmenistan electricity ministry
Sunir Co.
Dubai Mankhool 132/33kv S/S
Dubai Electricity and Water Authority (DEWA)
Dubai Electricity and Water
Authority (DEWA)
36 kV SUB. Ports and shipping organization
Dariyan CO.
Ghods niroo Co.
Besat & mahshahr sub’s
Petrochemical free zone Co.
Moshanir Co.
Lishtar
Khuzestan. R.E.C
Moshanir Co.
Andika
Khuzestan. R.E.C
Ghods niroo Co.
132/33 kV substation
Khuzestan water & power Co.
Sapta Co.
3
* for the complete Reference List , please refer to our web site.
PARS TABLEAU
[ Air Insulated Switchgear ] DNF7
Operator Safety First
Pars Tableau’s DNF7 cubicle has been
designed with operator safety as the number one
priority.
Internal ARC Classification (IAC)
DNF7 has been sucessfully tested in an international
recognized laboratory according to IEC 62271- 200
standards with the following classification :
IAC AFLR 31.5 KA / 1s in all compartments.
Ingress Protection
The enclosure of DNF7 is designed with an ingress
protection degree of IP4X.
Clear, Visible Switching Devices
The mechanism cover shows a visual display of circuit
breaker ON/OFF condition, spring charged/
discharged and earthing switch ON/OFF.
DNF7 has inspection windows for both breakers and
cable compartments. This allows the positions of the
withdrawable unit, earthing switch and the situation of
the cable connection to be easily observed.
Complete Set Of Interlocks
All necessary positive interlocks are installed according
to IEC standards and are designed to prevent:
A closed circuit breaker being inserted into or
withdrawn from the service position
A circuit breaker being closed unless in the service or
test position
Closing of the earthing switch if the circuit breaker is in the
service position
Disengagement of secondary plug from socket when the
circuit breaker is in service position.
Necessary interlocks are also provided at the rear cable
cover, which can only be opened when the breaker is tripped
and brought to test position with the earthing switch closed.
4
PARS TABLEAU
[ Air Insulated Switchgear ] DNF7
Technical Characteristics
Rated voltage
kV
36/40.5
Rated frequency
Hz
50/60
Rated insulation level
• Rated power frequency withstand voltage/1min.
• Lightning impulse withstand voltage (peak value)
kVrms
kVp
70/80
170/180
Rated current of busbar
A
1250/1600/2000/2500/3150
Rated current of T-off bar
A
630/1250/1600/2000/2500/3150
Rated short time withstand current (3s)
kA
25/31.5/40
Internal Arc Classification A FLR
kA
31.5 / 1s
Rated peak withstand current (peak value)
kA
63/82/100
Ingress Protection Degree
kA
IP 4X *
Width
mm
1300
Height
mm
2250 - 2350**
Depth
mm
2300 - 2750**
* For higher IP please contact us.
** For 40.5 kV.
Characteristics of The Components
Vacuum, SF6 circuit breaker
Sf6 & Vacuum Circuit Breakers from different
suppliers could be used in this compartment based on
customer request.
Busbars
Round, bare or sheated (on request), copper or
aluminum bars.
Rated current : up to 3150 A.
Connection of MV cables
The following types of connection are possible:
dry type cables up to 4 x 630 mm.
impregnated paper insulated cables.
up to 300 mm2 single core and three core.
Cable earthing switch (ES)
This switch is dependently controlled or on request,
can be of the type which operates rapidly and
independently of the operator. permissible short time
current, 1 s or 3 s: up to 40 KA rms.
This cable earthing switch has a rated making
capacity. Capacitive divider insulators located in the
cable compartment supply neon indicators located in
the immediate vicinity of the earthing switch control.
of the conventional type with one or two secondary
windings.
functional of the bushing type very Low Voltage on
insulated primary conductors.
Voltage transformers (Vt’s)
These devices can be used for application to cables
or to busbars at a each cubicle housed in a case (at
the rear or top)
either of conventional type for fixed mounting
without fuses.
or functional and withdrawable with MV fuses
incorporated.
LV comparement
this is integrated into but entirely distinct from the
cubicle frame. it houses all the standard Low Voltage
monitoring. control and indication devices comprising
mainly.
the protective equipment and auxiliary apparatus
on cards mounted in a frame (48 cm rack).
the terminals for the customer’s multiconductor
cables, the cubicle tappings from common wires
and the cubicle wiring.
integral and accessible LV cable routes.
5
Current Transformers (Ct’s)
these are located in the cable compartment and are :
PARS TABLEAU
[ Air Insulated Switchgear ] DNF7
Presentation of the functional units
"Incoming" - "Outgoing" feeder with voltage transformer cables
"Coupling" with voltage transformer bars
Legend
1 Gas exhaust valves
2 Busbars
3 Gas exhaust duct (internal arc
optional feature)
4 Busbar bypasses
5 Earthing switch
6 Voltage transformer compartment
7 Medium voltage cables
8 Cable fastening bottom plates
9 Current transformers
10 FP Ortholuor circuit breaker
11 Access door to circuit breaker
compartment
12 Low voltage box
13 Low voltage wiring sheath
14 Handle (internal arc only optional
feature)
15 Mounting of the lock cup optional
feature + cable fastening bottom
plates
6
PARS TABLEAU
[ Air Insulated Switchgear ] DNF7
"Bus-riser" functional unit
Legend
1 Gas exhaust duct
2 Upper busbar
3 Busbar bypasses
4 Lower busbar
5 Current transformer
6 Low voltage box
7 Low voltage wiring sheath
150
C
**3000
1100
A
Screw down
points
(screw 12)
1200
*800
55
1800
25
115
35
5
1300
TYPE (DNF7)
36 kV - 630 / 2000 A
36 kV - 630 / 2500 A
36 kV - 630 / 3150 A
36 UP To 40.5 kV - 630 / 3150 A
A (mm)
2300
2400
2650
2750
B (mm)
365
365
465
565
C(mm)
500
500
750
750
* Minimum rear passage with voltage transformer cable = 1500 mm
** Minimum height under celing with voltage transformer bars = 3500 mm
PARS TABLEAU
7
Cat. No. 01.2015
Design by:Hadi Tahmasebi
+989122410032
WWW.PARSTABLEAU.COM
info@parstableau.com