Total Grid Solutions

Total Grid Solutions

We have a competent team comprising of professional engineers, experience engineers, CAD designers which has been in the business more than 10 years. We possess a rich and varied experience in executing large turnkey projects for transmission and distribution substations and infrastructure development.
At TSG, not only we provide our client in engineering and consultancy services but we also offers innovative engineering solution.
Our products have been type tested and validated by the international test laboratories to comply to the IEC standards such as IEC 62271-203. Our manufacturing and quality management system strictly adhere to the ISO 9001:2015, ISO 14001: 2015 and OHSAS 18001:2007.

GAS INSULATED SWITCHGEAR

Tenaga Switchgear Sdn Bhd - Gas Insulated Switchgear | ZF7A - 145 | ZF9A - 300

Tenaga Switchgear Sdn Bhd - Gas Insulated Switchgear | ZF7A - 145 | ZF9A - 300

GIS Features

1. Reduction in size
2. Operating Safety
3. Reliability
4. Low Noise
5. Non Flammability
6. No Radio Interference
7. Resistance to Earthquake
8. Superior Interrupting Capabiity

GIS Technical Data

SwitchgearUnitTechnical Data
TypeZF7A - 145ZF9A - 300
Rated VoltagekV145300
Nominal VoltagekV132275
Rated FrequencyHz5050
Rated CurrentAmp.2000, 31504000
Rated short circuit breaking currentkA31.5 / 4040
Rated short circuit making currentkA80 / 100100
Short time withstand current, 3 seckA31.5 / 4040
Peak withstand currentkA80 / 100100
Power frequency withstand voltagekV275460
Lightning impulse withstand voltagekV6501050
Rated SF6 gas pressure (20°C)
Type of enclosure
MPa0.5
Three phase in one enclosure
0.5
single phase in one enclosure
Material :
- Enclosure
- Conductors
- Contacts
-
Aluminium
Aluminium
Silver plated copper
Aluminium
Aluminium
Silver plated copper

GAS CIRCUIT BREAKER

Gas Circuit Breaker | LW9 – 145 /LW9A - 145 | LW25 - 170

Gas Circuit Breaker | LW9 – 145 /LW9A - 145 | LW25 - 170

GCB Features

1. Super Interrupting
2. Reliable Insulating and Current
3. Reduce Maintenance Work
4. Resistance to Earthquake

Gas Circuit Breaker Technical Data

CharacteristicsUnitTechnical Data
Type-LW9 - 145LW25 - 170
Rated VoltagekV145170
Nominal VoltagekV132150
Rated FrequencyHz5050
Rated CurrentAmp.31503150
Rated short circuit breaking currentkA31.540
Rated short circuit making currentkA80100
Short time withstand current, 3 seckA31.540
Peak withstand currentkA80100
Total breaking timems< 60< 50
Opening timems< 30< 25
Closing timems< 150< 100
Dead time for auto re-closings0.30.3
Close /open time for auto re-closingms40 – 5040
SF6 gas – rated pressure at 20 deg CMpa0.60.6
SF6 – annual leakage rate%0.60.6
Rated control voltage for the motorVDC 110 / 125 / optionalAC 240 / optional / DC 110 / 125
Rated control voltage of the opening & closing coilsVdc110 / 125 / optional110 / 125 / optional
Weightkg16001700
Operating mechanism-Closing Spring
Opening Spring
Spring
Spring
Reference standard-IEC 62271 - 100IEC 62271 - 100

DISCONNECTOR

Disconnector | HCB – 145 /HCB - 170

Disconnector | HCB – 145 /HCB - 170

Features

Design• Tandem
• Parallel
1) Parallel with Earth Switch
2) Parallel without Earth Switch
Operating mode disconnector• Motorised and manual operation for disconnector
• Manual operation for earth switch
Installation modeThree phase horizontal installation

Disconnector Technical Data

No.ItemTechnical Data
1.TypeHCB - 145HCB - 170
2.Rated Voltage (kV)145147
3.Rated Current (A)16003150
4.Rated short time withstand current, (kA)31.540
5.Rated peak withstand current (kA)80100
6.Rated short circuit time (s)33
7.Insulation level75325
8.Rated frequency (Hz)5050
9.Busbar transfer current switching (A)80% of rated current
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