Predictika · Medium-voltage ring main units
An AI sales agent configures a Lucy Electric Aegis Plus ring main unit: the voltage and frequency, the switching functions in the tank, extensibility, indoor or outdoor installation, protection, motors and automation, and the overall dimensions it quotes. Before the quote goes out, the agent sends it to Predictika, which checks it against a declarative model of the public product catalogue and returns a verdict, every reason and the dimensions it computed.
This validator models the Aegis Plus configuration rules of the public catalogue, not just the scenarios shown below.
Any Aegis Plus configuration that touches these rules is in scope — not only the scenarios pictured here. Not covered: prices, delivery, other Lucy Electric products, and every catalogue item not listed above. Where the catalogue is silent the validator sends the quote to a person rather than guessing.
7 scenarios in 3 groups · each group runs from the agent’s first attempt to the outcome · click one to switch
Illustrative agent statement. The validator receives the structured request below.
Proposing agent: AI sales agent (scripted)
Before sending, the agent must call Recorded run
What this means
Our assessment of what a typical rules-based CPQ (product rules, price rules and validation rules, as in Salesforce CPQ) does with the same cases. It is a judgment about effort and reliability, not a claim that nothing can be built.
| What the validator caught | Typical rules-based CPQ | Predictika |
|---|---|---|
| Options that exclude each other | Only with workarounds Outdoor installation rules out side extension, and the fuse switch drops out at 17.5 kV; each is a rule across two separate choices that has to be written and kept in step. | All the choices arrive in one request and every exclusion is checked on every call. |
| Counts that limit other counts | Only with care Motors, undervoltage coils and secondary injection are each capped by how many circuit breaker or motorizable functions the tank holds, so a count has to be compared with a count derived from others. | The counts travel with the request and every cap is computed from the functions in the tank. |
| A dimension that depends on several choices | Only with care Width follows the number of functions and height follows the termination height, RTU, extension and installation; a lookup table per combination works but is easy to get wrong. | Width and height are computed from the choices and compared with the figures the quote states. |
| A relay chosen against a feature matrix | Only with workarounds Thermal overload and remote tripping are supported by some relays and not others, so a need on one line is satisfied or not by another line. | The need and the chosen relay travel together and the matrix is checked on every call. |
| A dependent set of automation parts | Only with workarounds The automatic transfer scheme needs an RTU, two load break switches, motors and voltage detection; leaving one out is easy to miss until the order is reviewed. | Every missing part is reported together, whatever order the parts were added in. |
| Every problem returned in one answer | Only with workarounds Rules tend to fire as the quote is saved or a step is completed, so a rep often fixes one error and meets the next. | All findings come back together, whatever order the choices were made in. |
Every rule is checked on every call, in any order the choices arrive; one problem never hides another. Blocking findings stop the quote; approval findings need a person to sign off; everything else is computed.
| 1 | The 12 kV and 24 kV ratings are 50 Hz only; 60 Hz is offered at 17.5 kV. |
| 2 | The unit has no switching functions; a tank needs at least 1. |
| 3 | The quote has 6 switching functions; a single tank holds at most 5. |
| 4 | The quote has 5 functions in an extensible unit; an extensible tank holds up to 4. |
| 5 | The 200 A fuse switch (F function) is not available at 17.5 kV. |
| 6 | Busbar sectionalizers and busbar earthing are not available in the 17.5 kV 60 Hz range. |
| 7 | Busbar sectionalizers, busbar earthing and the direct cable connection have extensible busbar bushings and need an extensible unit; this unit is non-extensible. |
| 8 | IP54 outdoor installation is available for non-extensible and top-extensible units only; side extensibility is IP41 indoor only. |
| 9 | An extensible unit must be extensible on the left, the right or both sides; none was chosen. |
| 10 | A non-extensible unit cannot take extension on any side. |
| 11 | An internal-arc-rated cable compartment is not available with the 450 mm cable termination height. |
| 12 | The metering unit does not match the switchgear: Mt is the non-extensible metering unit; M1, M2 and M3 are the extensible ones. |
| 13 | IP54 outdoor installation is available only for the non-extensible (Mt) metering unit. |
| 14 | A metering unit needs a current transformer ratio and a voltage transformer ratio; one is missing. |
| 15 | A 22,000 V voltage transformer needs the 24 kV rating. |
| 16 | A metering CT primary of 250 A is outside the standard range (50, 100, 200, 300 and 400 A); a wider range is available on request. |
| 17 | The quote has 4 motors but only 3 functions can be motorized; the direct cable connection has no operating mechanism. |
| 18 | The standard motors run on 24 V DC; other voltages are available on request, and a person should confirm the voltage with the manufacturer. |
| 19 | The automatic transfer scheme needs the integrated Gemini 3 RTU, and the quote has none. |
| 20 | The automatic transfer scheme operates the two incoming load break switches by motor; the quote has 0 motors. |
| 21 | The automatic transfer scheme detects loss of voltage with a voltage detection system (VDS), and the quote has none. |
| 22 | The automatic transfer scheme changes over between two load break switches; the quote has 1. |
| 23 | A time limit fuse or protection relay protects a circuit breaker, and the quote has no circuit breaker function (V, T or C). |
| 24 | The time limit fuse or relay needs a protection current transformer ratio, and none was chosen. |
| 25 | A protection current transformer ratio was chosen but there is no time limit fuse or relay to use it. |
| 26 | Time limit fuse protection covers transformers up to 2,000 kVA; the transformer is 2,500 kVA. |
| 27 | The customer needs thermal overload protection and the chosen device does not provide it; a time limit fuse gives fault protection only, and the WIP1 and SIA-C relays do not list thermal overload. |
| 28 | The customer needs remote tripping and the Fanox SIA-B relay does not list it. |
| 29 | The chosen relay is not in the published relay feature matrix, so thermal overload or remote tripping support must be confirmed. |
| 30 | A shunt trip coil trips a circuit breaker, and the quote has no circuit breaker function (V, T or C). |
| 31 | 2 undervoltage release coils were quoted but there is only 1 circuit breaker function. |
| 32 | Secondary injection was quoted on 2 functions but there is only 1 circuit breaker function. |
| 33 | Earth fault indicators are fitted to load break switch (L) or direct cable connection (R) functions, and the quote has neither. |
| 34 | Earth fault indicators are listed for the direct cable connection (R) in the product pages, but the order form offers them on load break switches only; a person should confirm. |
| 35 | 4 earth and test facilities were quoted but only 3 functions can take one. |
| 36 | A 400 square mm cable is larger than the cable compartment supports (300 square mm for single-core cables, 500 square mm for a three-core cable). |
| 37 | Insulating bushing boots and heat-shrink boots are for up to 17.5 kV; at 24 kV a bolted separable connector is needed. |
| 38 | A surge arrester on the direct cable connection (R) is available only with a single cable termination. |
| 39 | The site temperature runs from -30 to 60 degrees C; the unit operates from -25 to +55 degrees C. |
| 40 | The site is at 1,400 m; the ratings apply up to 1,000 m without derating, so the manufacturer should be consulted. |
| 41 | The site fault level is 25 kA; the unit is rated for 21 kA. |
| 42 | The fault duration of 4 seconds is above the rated short-circuit duration (3 seconds, or 1 second at 17.5 kV 60 Hz). |
| 43 | The fault duration of 2 seconds is above the rated short-circuit duration (3 seconds, or 1 second at 17.5 kV 60 Hz). |
| 44 | The quote states an overall height of 1,500 mm; the dimension table gives 1,430 mm for this configuration. |
| 45 | The quote states an overall width of 1,000 mm; the dimension table gives 1,050 mm for this configuration. |
| 46 | The technical data publishes no 17.5 kV rating for the auto-reclose circuit breaker (C) or the direct cable connection (R); a person should confirm availability with the manufacturer. |
The recorded result of the validator for each scenario on this page: the request the AI agent sent, the verdict, and every finding, in the order they appear above.
The agent's request. Please quote an Aegis Plus ring main unit: 17.5 kV, 50 Hz, side-extensible on the right, installed outdoor, with 2 load break switches, 1 vacuum circuit breaker, 1 fuse switch. The quote states 1,395 mm wide and 1,540 mm high. It is ready to send.
Verdict: Blocked.
The agent's request. Please quote an Aegis Plus ring main unit: 12 kV, 50 Hz, side-extensible on the right, installed indoor, with 2 load break switches, 1 vacuum circuit breaker, 1 fuse switch. The quote states 1,395 mm wide and 1,530 mm high. It is ready to send.
Verdict: Allowed.
The agent's request. Please quote an Aegis Plus ring main unit: 12 kV, 50 Hz, non-extensible, installed indoor, with 2 load break switches, 1 vacuum circuit breaker; an automatic transfer scheme. The quote states 1,050 mm wide and 1,430 mm high. It is ready to send.
Verdict: Blocked.
The agent's request. Please quote an Aegis Plus ring main unit: 12 kV, 50 Hz, non-extensible, installed indoor, with 2 load break switches, 1 vacuum circuit breaker; the Gemini 3 RTU, an automatic transfer scheme, 2 motors on a supply other than 24 V DC, voltage detection (Wega22C). The quote states 1,050 mm wide and 1,580 mm high. It is ready to send.
Verdict: Needs approval.
The agent's request. Please quote an Aegis Plus ring main unit: 12 kV, 50 Hz, non-extensible, installed indoor, with 2 load break switches, 1 vacuum circuit breaker; the Gemini 3 RTU, an automatic transfer scheme, 2 motors on 24 V DC, voltage detection (Wega22C). The quote states 1,050 mm wide and 1,580 mm high. It is ready to send.
Verdict: Allowed.
The agent's request. Please quote an Aegis Plus ring main unit: 12 kV, 50 Hz, non-extensible, installed indoor, with 2 load break switches, 1 vacuum circuit breaker; protection by a time limit fuse, a 2,500 kVA transformer, thermal overload protection required. The quote states 1,050 mm wide and 1,430 mm high. It is ready to send.
Verdict: Blocked.
The agent's request. Please quote an Aegis Plus ring main unit: 12 kV, 50 Hz, non-extensible, installed indoor, with 2 load break switches, 1 vacuum circuit breaker; protection by an ADR241S relay, a protection CT (Dual200_100), a 2,500 kVA transformer, thermal overload protection required. The quote states 1,050 mm wide and 1,430 mm high. It is ready to send.
Verdict: Allowed.
The text of the narrated walkthrough, step by step.