- Contact Person : Ms. xu Alice
- Company Name : Baoding Tianwei Hengtong Electric Co., Ltd
- Tel : 86-312-8919975
- Fax : 86-312-8919796
- Address : Hebei,Baoding,3/F-A,Building 7,No.5699,University Science and Technology Park in High-Tech Zone
- Country/Region : China
neutral grounding protections
THT-TNP-III (110 )Rod Gap, Disconnecting Switch and arrester
1.Structure
(1)Disconnecting Switch
(2)Zinc-oxide Surge Arrestor
(3)Rod Gap
(4)Current Transformer
(5)Mounting Brackets
2.stallation: The complete device is supported on the cement posts or steel supports which is usually provided by the tender. W e can also supply the steel supports as an accessory.
3.site condition:
(1)Ambient temperature: -50°C-70°C
(2)Altitude: less than 4500m.
(3)Frequency :50Hz or 60Hz
(4)Installation: Indoor or outdoor
Transformer system Nominal Voltage | 220kV | |
Insulation level | Light impulse withstand voltage | 400 kV |
Power frequency withstand voltage | 95 kV | |
Rod Gap | Type | THT-TNP-220 |
Descriptions | Electrode bar with hemispheric ends | |
The adjustable range | 250-360mm | |
Current Transformer(Used for protecting rod gap ) | Type | THT-LJ80 |
Model | Epoxy-resin filled totallyclosed type | |
Rated primary current | 100A 150A 300A 400A 500A 600A | |
Rated secondary current | 1A/5A | |
Accurate combination and ratings | 10P5/10P5 15VA/15VA | |
Disconnecting Switch | Type | GW13-126 |
Rated voltage | 126Kv | |
Rated current | 630A/1250A | |
Operating mechanism | CS17 type manual operating mechanism,CJ6 type motor-driven operating mechanism | |
Surge Arrester | Type | Y1.5W-144/320 |
Nominal discharging current | 1.5kA | |
Rated voltage | 144kV | |
Continuous operating voltage | 116kV | |
Lighting impulse residual voltage | 320kV | |
Counter/Monitor | JS8 type surge arrester counter/JCQ3 type surge arrester monitor | |
neutral grounding protections
