star delta

The Space Training and Readiness Delta (Provisional) (STAR Delta (P)) was a United States Space Force unit responsible for the training and education of space professionals, as well as the development of space warfighting doctrine. It was a component of Space Operations Command and was headquartered at Peterson Space Force Base, Colorado.

STAR Delta (P) was activated on 24 July 2020 to serve as the precursor organization to the planned Space Training and Readiness Command (STARCOM). Announced on 30 June 2020 as one of three field commands of the U.S. Space Force, STARCOM was set to be activated in 2021. In the interim, the delta was activated to provide oversight of Space Force education, training, and operational test and evaluation units. It was then inactivated on 23 August 2021 prior to the activation of STARCOM.

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  1. G

    Star delta issue (driving me insane)

    Heeelp! I have an 11kW/21A motor which is attached to a hydraulic power pack. I have replaced the old panels with new, using the same star delta starting. When connected to a 415V outlet protected by a C32 breaker, the breaker will periodically trip. This has only manifested since the new...
  2. mxj262

    Star Delta Starter 400KW Crane Motor

    Hello Dear friends, I am going to check a start delta starter for a motor(400KW) which is used for crane and lately it has been causing some issues (Voltage Drop) not sure if the voltage drop is always there once this is started or it goes back to normal this information was not provided. Will...
  3. U

    Star delta Pump motor - Doesn't work clockwise but Works anticlockwise

    Hi I'm having a problem with a 20 HP pump motor from a hydraulic press to try molds. When we energized the machine, it starts with star correctly but when it changes to delta, pump motor stops. The breaker doesn't strip and fuses were ok. Video (clockwise rotation)...
  4. S

    Star Delta Starter, Blowing Contactor

    Hi there, I got a call to a job, table saw (wood) tripping C/B straight away. 4kW motor on Star Delta Starter. So I get to the job, after some investigation I find that the main contactor is welded shut and there is a phase to phase short circuit, I find that the motor tails to the windings...
  5. Amp David

    Star Delta Starter

    Can anyone advise of a good reliable supplier off star delta starters please. Local places don't do this sort of stuff and not driving miles to somewhere that will, so online is preferred. Thanks for suggestions.
    • Amp David
    • Thread
    • canada delta star delta starter
    • Replies: 7
    • Forum: Canada
  6. C

    Star Delta Theory

    Hi All. Firstly would like to say thanks to everyone who reads this and provides any useful information. I have used the search button and have read through previous posts/ stickys before posting this. Basically I would like to understand the voltages clearer in star and delta, I know...
    • collinsd70
    • Thread
    • canada delta star delta
    • Replies: 15
    • Forum: Canada
  7. L

    Which source drive the star delta contactor

    Hi sorry for my newbie question, I've a question about a star delta starter. What exactly drive the mechanical contact in contactor, is't AC 240/220V separate source from L1,L2,L3? thanks.
    • layzbass
    • Thread
    • aus contactor delta drive source star delta
    • Replies: 5
    • Forum: Australia
  8. S

    Help with a 3 phase star delta motor

    I have been called out to replace a DOL starter that somebody fitted last year, It controls a 3 phase motor on an extraction unit. The customer has said that the fan used to start slow and then after 10 secounds it would speed up to full speed. The electrician that changed the starter replaced...
    • sheriff78
    • Thread
    • 3 phase canada delta help motor phase speed star delta starter
    • Replies: 41
    • Forum: Canada
  9. E

    How to 'size' contactors for star delta circuit ?

    Hi All , How do i size the main , star and delta contactors for a motor control circuit using a 50Kw motor ? Do i just rate all contactors at 50 kW ? Any help appreciated. Thanks :)
    • electek
    • Thread
    • canada circuit contactor contactors delta motor overload phase size star delta
    • Replies: 7
    • Forum: Canada
  10. E

    Anyone got a detailed control wiring circuit for star delta ?

    As above , has anyone got a good drawing for a star delta control circuit wiring (just the control wiring) that is easy to understand and wire directly from ?:)
    • electek
    • Thread
    • anyone canada circuit control delta led star delta wiring
    • Replies: 2
    • Forum: Canada
  11. D

    star delta starter

    Hi. There is a 60 amp 3 phase supply and a company has said they will to put in a star delta motor starter (55kw) which will run a gear box(55kw) that needs to be tested i do not know if the gearbox runs at 55kw continuosly , is this possible or would it be better to run a new supply? thanks
    • danbadger
    • Thread
    • canada delta star delta starter
    • Replies: 2
    • Forum: Canada
  12. R

    Star delta motor help

    Right guys, apologies in advance for lack of detail etc but I've only had a very brief look at this one today and I'm expected to work miracles tomoro. A three phase 13kw motor for an AHU extract fan was running very noisy and they sent it away to be refurbd It has come back and been put back...
    • Romans99
    • Thread
    • canada delta help motor star delta
    • Replies: 11
    • Forum: Canada
  13. M

    Star Delta connections regarding motors

    Hope someone can help, Basically i'm just getting into heavy industrial and when i have been opening various panel's and motors i can't get my head around the actual terminating of star,delta from the panel to the motor as they seem to move L1,L2,L3 to L2,L3,L1. Any ideas?
    • mark123
    • Thread
    • canada connections delta motors regarding star delta
    • Replies: 8
    • Forum: Canada
  14. D

    Star delta starting

    Hey all, this is my 1st post so hello to everyone. I was wondering, i know the idea behind a star delta starter etc and would have no worries changing a motor over if i disconnected the old one first. What has got me a little bit confused is if you were to fit a motor and all that was there was...
    • dan.h
    • Thread
    • canada delta star delta starting
    • Replies: 7
    • Forum: Canada
  15. T

    star delta motors

    i have a panel with 2 no star delta pumps 39 kw 63 amps flc can anybody size cable for me length of run approx 100mts 1no pump is on standby but could start if pressure drops the cable has to be afire rated swa clipped to a tray running through an underground carpark the panel has 50 amp motor...
    • tullynagrow
    • Thread
    • aus delta motors star delta
    • Replies: 2
    • Forum: Australia
  16. T

    Star Delta Motor Cable Size

    Can anybody advice on cable size for 250Kw star delta motor, star delta starter supplied with 240mm 4 core SWA protected by 500a fuses. Would like to keep cables at 240mm but terminal box looks a bit small for 2 x 240mm SWA cables motor is rated at 400v 430Amp Regard ps this is my first time...
    • THE DUKE
    • Thread
    • cable cable size canada delta motor size star delta
    • Replies: 5
    • Forum: Canada

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