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- Просмотров 103 332
Power ai
Великобритания
Добавлен 9 май 2021
Welcome to Power ai, a channel devoted to the industrial electrical environment.
G99 CHP plant anti islanding testing for UKPN embedded generation compliance
This is a record of G99 CHP plant anti islanding testing for UKPN embedded generation compliance comprising witnessed dry and wet testing to trip off the site generation when there is a loss of the incoming 33kV supply(s)
This covers a small aspect of the G99 requirements or shall we say working out what some of the G99 rather than G59 requirements are. I think a lot of us are still trying to establish what's needed (or is that just us?). Let's have a look at these loss of mains and backup trip tests.
We are hoping to commission the remote generation set down control in the future, where the grid operator (UKPN) will be able to reduce generation remotely on another companies power plant. Di...
This covers a small aspect of the G99 requirements or shall we say working out what some of the G99 rather than G59 requirements are. I think a lot of us are still trying to establish what's needed (or is that just us?). Let's have a look at these loss of mains and backup trip tests.
We are hoping to commission the remote generation set down control in the future, where the grid operator (UKPN) will be able to reduce generation remotely on another companies power plant. Di...
Просмотров: 320
Видео
Cable derating failure - when not all the installation methods are factored in!
Просмотров 1,4 тыс.Год назад
Ever wanted to see what happens to cables when not all the appropriate derating factors are applied. An unusual case as it impacts 18 single core 240mm sq 11KV cables. So it's not a cheap, quick or easy fix. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC!...
Transformer windings basic insulation tests (IR)
Просмотров 6 тыс.Год назад
3 basic insulation resistance tests on a 1.25MVA 3.3/0.69kV Dyn1 dry type transformer. About to energise a new transformer for the first time or investigate an overcurrent or earth fault HV trip event, then these basic tests could be useful. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & appar...
Commissioning procedure for a 400VAC switchboard in an industrial application and project.
Просмотров 1,7 тыс.Год назад
Ever wanted to know the 7 steps that are generally applied when we commission LV electrical distribution systems & switchgear on industrial scale applications and projects. Let's see how it differs from domestic and commercial applications. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & appara...
Commissioning of a DC Distribution Board, with a Capacity of 630 amps, for the 1st Time
Просмотров 730Год назад
This is a record of the 1st energisation of a 120V dc 630 amp distribution board. This was done by initially using a single DC rectifier module rather than the high-capacity fully charged battery bank. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC! These...
Network switching & HV tap change on a cast resin transformer to reduce the secondary voltage
Просмотров 953Год назад
This is a record of HV/LV network switching & HV tap change on a cast resin transformer to reduce the secondary voltage. The 3.3kV system normally operates at 3.4kV which can cause over-voltages on the LV distribution network during plant outages (no-load conditions). From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment coverin...
RCD Automatic 8 Test Sequence in Less Than 1 Minute. Quick and Useful Test? We Thought So
Просмотров 224Год назад
This is a record of a test on a 25 amp triple pole RCD using a Metrel multifunction tester to execute an automatic sequence of 8 tests. These tests are at 30mA trip time on positive & negative cycles, 150mA trip time on positive & negative cycles, 15mA trip time on positive & negative cycles and actual mA trip valve for positive & negative cycles. Testing specification requested was BS7671, 18t...
Pressure Test of MV Switchboard Busbars Before The First Energisation
Просмотров 4,4 тыс.2 года назад
Pressure test of MV switchboard busbars before the first energisation. This is one of the many methods we could have used, but we recommended this test procedure to the client. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC! These videos are for general i...
First Energisation of a 3.3/0.69kV Cast Resin Transformer
Просмотров 1,3 тыс.2 года назад
This is a record of the first energisation of a cast resin 3.3/0.69kV transformer. From final walkdown to VCB closure. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC! These videos are for general information and entertainment purposes only. They are not i...
30kV Very Low Frequency Pressure Test of New HV Cables
Просмотров 19 тыс.2 года назад
This is a record of the VLT test undertaken on a new 33kV feeder to a transformer located 800 metres from the substation. The cables under test were 300mm squared AWA single-core, arranged in 2 trefoils. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC! The...
How to Change the Direction of Rotation of a 3-Phase AC Motor
Просмотров 3,8 тыс.2 года назад
How to Change the Direction of Rotation of a 3-Phase AC Motor? There are several ways but let's look at this example with this VSD driven arrangement. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC! These videos are for general information and entertainme...
4kV DC Insulation Test of 1kV Rated Cables - Why Are We Doing That?
Просмотров 1 тыс.2 года назад
This is a record of the process and equipment used to test 1kV single-core un-armoured cables that had initial low insulation values when tested at 1kV (some as low as 35M ohms). The cable manufacturer-recommended we test the cables at 4kV DC to prove the integrity of the cable insulation and installation. From design through to certification, let's give you a glimpse inside the world of the in...
Proving Dead on a Steam Turbine Generator HV System - HV Permit for Work
Просмотров 2,2 тыс.2 года назад
The steam turbine engineer wants to inspect the generator's 11kV connections and neutral earthing resistor (NER). But first, we need to isolate the system, confirm the isolations and prove it's safe to work on. A quick video on the test for dead process undertaken by the SAP (senior authorised person) prior to permit issue. From design through to certification, let's give you a glimpse inside t...
Final Inspection of Transformers HV Cable Connections Before First Energisation
Просмотров 9 тыс.2 года назад
Never seen HV cable connections on transformers before? Join us for a quick look during this final inspection before first energisation. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33kV and down to 24VDC! These videos are for general information and entertainment purposes on...
Energisation of 400V Switchboard Incomer from Temporary Generator
Просмотров 1,3 тыс.2 года назад
This is a record of the final walk down and the first energisation of a 400KVA 400V diesel generator, to supply a new switchboard with temporary power. This will enable commissioning to commence without main power availability. From design through to certification, let's give you a glimpse inside the world of the industrial electrical environment covering systems, networks & apparatus up to 33k...
Commissioning Emergency Power Backup System Battery Bank
Просмотров 2 тыс.2 года назад
Commissioning Emergency Power Backup System Battery Bank
Siemens NX AIR VCB Insertion, Racking in & Closure
Просмотров 8 тыс.2 года назад
Siemens NX AIR VCB Insertion, Racking in & Closure
Applying MCCB Protection Settings - Siemens ETU550LSI Module
Просмотров 3,3 тыс.2 года назад
Applying MCCB Protection Settings - Siemens ETU550LSI Module
Faulty Siemens MCCB & No Spare Available. Can it be repaired?
Просмотров 1,7 тыс.2 года назад
Faulty Siemens MCCB & No Spare Available. Can it be repaired?
Phasing Check at 3.3kV Switchboard for Parallel Transformer Operation
Просмотров 2,8 тыс.2 года назад
Phasing Check at 3.3kV Switchboard for Parallel Transformer Operation
First energisation of 85MVA 33/11kV GT & 11/3.3kV auxiliary transformers on a new CHP plant
Просмотров 3,4 тыс.2 года назад
First energisation of 85MVA 33/11kV GT & 11/3.3kV auxiliary transformers on a new CHP plant
First Energisation of a Benning DC Rectifier Panel (Without Batteries) 415VAC to 110VDC
Просмотров 5 тыс.3 года назад
First Energisation of a Benning DC Rectifier Panel (Without Batteries) 415VAC to 110VDC
Power Supply Over-Voltage Prevents Commissioning - This Is Why You Must Always Check The Basics !
Просмотров 2573 года назад
Power Supply Over-Voltage Prevents Commissioning - This Is Why You Must Always Check The Basics !
Clearance for Temporary Supply Energisation, Testing & Report Generation
Просмотров 3023 года назад
Clearance for Temporary Supply Energisation, Testing & Report Generation
3-Wire Earth Resistance Tests using the Metrel Eurotest XC Multifunction Tester
Просмотров 7 тыс.3 года назад
3-Wire Earth Resistance Tests using the Metrel Eurotest XC Multifunction Tester
Testing Siemens Type 2 Surge Protection Device (Surge Arrester)
Просмотров 14 тыс.3 года назад
Testing Siemens Type 2 Surge Protection Device (Surge Arrester)
3-Phase Supply Rotation Tests (Phase Sequence) Using Metrel & Martindale Testers
Просмотров 3,2 тыс.3 года назад
3-Phase Supply Rotation Tests (Phase Sequence) Using Metrel & Martindale Testers